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Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

At Optimiz Access, we offer a vast lineup of engine performance parts and accessories to boost the output of your sports vehicle or premium automobile. Optimize your engine for extreme performance and enjoy an exhilarating driving experience on both road and track.

Key benefits of engine tuning: substantial horsepower and torque gains for rapid acceleration, sharper throttle response, enhanced mechanical reliability using high-strength components, and tailored custom tuning suited to all engines.

Essential Products to Maximize Engine Performance

Discover all our precision-engineered components designed to increase efficiency and durability in your engine block:

  • Cold Air Intakes & Air Filtration – Performance sports filters and carbon intake systems for maximum air filling.
  • Intercoolers & Charge Coolers – Efficient intake air cooling to sustain consistent power output under heavy loads.
  • Forged Pistons & Connecting Rods – Heavy-duty internal components built to withstand extreme temperatures and boost pressures.
  • Turbos & Superchargers – Forced induction upgrades delivering significant power increases.
  • Ignition & Servicing – Competition spark plugs, high-output ignition coils, and high-performance oil filters.

Industry-Leading Benchmark Brands

We stock top tuning and motorsport manufacturers: Wagner Tuning, Forge Motorsport, Magnecor, Green Filter, BMC Filter, NGK, Vibra Technics, and Powerflex. We also supply OEM factory parts to ensure meticulous engine maintenance.

Why you should Choose Optimiz Access for Your Engine Upgrades

Since 2010, Optimiz Access has specialized in selecting top-tier engine components for the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians guide your hardware selection and provide professional installation in our workshop. We ensure strict quality control along with fast worldwide shipping.

Unleash Your Engine's Full Potential Today

Give your car the raw power and sharp response it deserves. Trust the expertise of Optimiz Access, select your engine performance parts today, and benefit from our fast dispatch.

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  • Categories: Circuit d'air
  • Categories: Circuit d'eau
  • Categories: Support moteur
Tuyau entrée radiateur de chauffage Megane 3 RS et N4
      Tuyau entrée radiateur de chauffage Megane 3 RS et N4 Référence: 924000017R
      €30.60Price
      Tuyau entrée radiateur de chauffage Megane 3 RS et N4
          Tuyau entrée radiateur de chauffage Megane 3 RS et N4 Référence: 924000017R
          €30.60Price
          En Stock
          €232.70 Price
          En Stock
          €232.70 Price
          Support moteur sur moteur Clio R3Renault Clio R3 Engine Mount (7711160468)
              Optimize your Renault Clio R3 engine mount with this official Renault Sport engine support (ref. 7711160468) . Designed for optimal performance, it ensures a robust and precise fixation of your engine. Find the associated silent blocks and body side mount at the bottom of the page for a complete assembly.
              €232.70Price
              Support moteur sur moteur Clio R3Renault Clio R3 Engine Mount (7711160468)
                  Optimize your Renault Clio R3 engine mount with this official Renault Sport engine support (ref. 7711160468) . Designed for optimal performance, it ensures a robust and precise fixation of your engine. Find the associated silent blocks and body side mount at the bottom of the page for a complete assembly.
                  €232.70Price
                  En Stock
                  €4.10 Price
                  En Stock
                  €4.10 Price
                  Support inférieur radiateur Megane 3 RS et N4
                      Support inférieur radiateur Megane 3 RS et N4 Référence: 215450002R
                      €4.10Price
                      Support inférieur radiateur Megane 3 RS et N4
                          Support inférieur radiateur Megane 3 RS et N4 Référence: 215450002R
                          €4.10Price
                          En Stock
                          €667.54 Price
                          En Stock
                          €667.54 Price
                          Support moteur sur caisse Clio R3
                              Secure and optimize the fixation of your engine to the body of your Renault Clio R3 with this official Renault Sport body side engine mount (ref. 7711160466) . Essential for a perfect chassis-engine connection, it contributes to driving precision and the reduction of vibrations. Find the associated engine side engine mount at the...
                              €667.54Price
                              Support moteur sur caisse Clio R3
                                  Secure and optimize the fixation of your engine to the body of your Renault Clio R3 with this official Renault Sport body side engine mount (ref. 7711160466) . Essential for a perfect chassis-engine connection, it contributes to driving precision and the reduction of vibrations. Find the associated engine side engine mount at the...
                                  €667.54Price
                                  Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                      Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                      €27.98Price
                                      Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                          Coude réduit 90° sortie de bocal de refroidissement Twingo R2
                                          €27.98Price
                                          Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                              Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                              €0.83Price
                                              Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                  Vis HRDL 5x16 fixation GMV sur radiateur Clio 2 RS et Gr N
                                                  €0.83Price
                                                  Entretoise berceau (support moteur anti cabrage) Clio 3 Cup
                                                      The Renault Sport cradle spacer (ref. 7711160193 ) is an essential part to optimize the lower engine anti-pitch for your Renault Clio 3 X85 Cup . It improves chassis rigidity and engine stability.
                                                      €10.44Price
                                                      Entretoise berceau (support moteur anti cabrage) Clio 3 Cup
                                                          The Renault Sport cradle spacer (ref. 7711160193 ) is an essential part to optimize the lower engine anti-pitch for your Renault Clio 3 X85 Cup . It improves chassis rigidity and engine stability.
                                                          €10.44Price
                                                          Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                              Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                              €1.44Price
                                                              Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                  Vis de fixation boitier d'eau Clio 2 RS y compris Gr N et X65 Cup
                                                                  €1.44Price
                                                                  En Stock
                                                                  €140.06 Price
                                                                  En Stock
                                                                  €140.06 Price
                                                                  Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
                                                                      Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
                                                                      €140.06Price
                                                                      Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
                                                                          Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
                                                                          €140.06Price
                                                                          CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                                                                              Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                                                                              €1.06Price
                                                                              CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                                                                                  Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                                                                                  €1.06Price
                                                                                  Résistance ventilateur moteur
                                                                                      The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
                                                                                      €85.20Price
                                                                                      Résistance ventilateur moteur
                                                                                          The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
                                                                                          €85.20Price
                                                                                          Capteur température d'eau pour boitier d'eau plastique
                                                                                              Capteur température d'eau pour boitier d'eau plastique
                                                                                              €40.15Price
                                                                                              Capteur température d'eau pour boitier d'eau plastique
                                                                                                  Capteur température d'eau pour boitier d'eau plastique
                                                                                                  €40.15Price
                                                                                                  En Stock
                                                                                                  €10.02 Price
                                                                                                  En Stock
                                                                                                  €10.02 Price
                                                                                                  Joint de cold side
                                                                                                      COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                      €10.02Price
                                                                                                      Joint de cold side
                                                                                                          COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                          €10.02Price
                                                                                                          Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                              Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                              €6.37Price
                                                                                                              Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                  Patte fixation support durites d'eau Megane 3 RS et N4
                                                                                                                  €6.37Price
                                                                                                                  En Stock
                                                                                                                  €14.10 Price
                                                                                                                  En Stock
                                                                                                                  €14.10 Price
                                                                                                                  Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                      Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                      €14.10Price
                                                                                                                      Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                          Patte supérieure gauche fixation radiateur Twingo RS
                                                                                                                          €14.10Price
                                                                                                                          Tuyau eau entrée pompe Megane 3 RS et N4
                                                                                                                              Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                                                                                              €81.02Price
                                                                                                                              Tuyau eau entrée pompe Megane 3 RS et N4
                                                                                                                                  Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                                                                                                  €81.02Price
                                                                                                                                  Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                                                      Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                                                      €56.16Price
                                                                                                                                      Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                                                          Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                                                          €56.16Price
                                                                                                                                          En Stock
                                                                                                                                          €361.00 Price
                                                                                                                                          En Stock
                                                                                                                                          €361.00 Price
                                                                                                                                          Kit Admisssion Forge Motorsport Megane 4 RSKit Admisssion Forge Motorsport Megane 4 RS
                                                                                                                                              Kit Admisssion Forge Motorsport Megane 4 RS Produit developpé dans le but de  - Garder des temperatures d'admission interessantes et les plus basses possibles - Ameliorer l'afflux d'air - Ameliorer l'esthetique de la baie moteur Apres de nombreux essais, les resultats obtenus sont + 15ch Ce gain peut etre superieur en associant ce kit...
                                                                                                                                              €361.00Price
                                                                                                                                              Kit Admisssion Forge Motorsport Megane 4 RSKit Admisssion Forge Motorsport Megane 4 RS
                                                                                                                                                  Kit Admisssion Forge Motorsport Megane 4 RS Produit developpé dans le but de  - Garder des temperatures d'admission interessantes et les plus basses possibles - Ameliorer l'afflux d'air - Ameliorer l'esthetique de la baie moteur Apres de nombreux essais, les resultats obtenus sont + 15ch Ce gain peut etre superieur en associant ce kit...
                                                                                                                                                  €361.00Price
                                                                                                                                                  En Stock
                                                                                                                                                  €343.21 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €343.21 Price
                                                                                                                                                  Modine (échangeur eau huile) Clio 16S et Williams
                                                                                                                                                      Modine (echangeur eau huile) Clio 16S et Williams
                                                                                                                                                      €343.21Price
                                                                                                                                                      Modine (échangeur eau huile) Clio 16S et Williams
                                                                                                                                                          Modine (echangeur eau huile) Clio 16S et Williams
                                                                                                                                                          €343.21Price
                                                                                                                                                          Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                                                                                                                                              Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                                                                                                                                              €187.01Price
                                                                                                                                                              Upgrade conduit admission forge avec adaptateur Megane 4 RSUpgrade conduit admission forge avec adaptateur Megane 4 RS
                                                                                                                                                                  Upgrade conduit admission forge avec adaptateur Megane 4 RS. Produit developpé pour supprimer la restriction d'origine de l'admission. Bien qu'apportant deja un plus sur une voiture d'origine, ce produit a encore plus d'interet en cas de vehicule reprogrammé
                                                                                                                                                                  €187.01Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €202.54 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €202.54 Price
                                                                                                                                                                  Ecope supérieure de radiateur Clio R3 "MAXI"
                                                                                                                                                                      Ecope supérieure de radiateur Clio R3 "MAXI" Ref: 7711160688
                                                                                                                                                                      €202.54Price
                                                                                                                                                                      Ecope supérieure de radiateur Clio R3 "MAXI"
                                                                                                                                                                          Ecope supérieure de radiateur Clio R3 "MAXI" Ref: 7711160688
                                                                                                                                                                          €202.54Price
                                                                                                                                                                          Régulateur (membrane) pression gaz collecteur admission Clio 3 RS
                                                                                                                                                                              Régulateur pression gaz carter Clio 3 RS
                                                                                                                                                                              €61.60Price
                                                                                                                                                                              Régulateur (membrane) pression gaz collecteur admission Clio 3 RS
                                                                                                                                                                                  €61.60Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €13.20 Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €13.20 Price
                                                                                                                                                                                  Joint Plenum Clio 3 RSJoint Plenum Clio 3 RS
                                                                                                                                                                                      Joint Plenum Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                                                                                                                      €13.20Price
                                                                                                                                                                                      Joint Plenum Clio 3 RSJoint Plenum Clio 3 RS
                                                                                                                                                                                          Joint Plenum Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                                                                                                                          €13.20Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €17.45 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €17.45 Price
                                                                                                                                                                                          Support inférieur écope boitier filtre Twingo R2
                                                                                                                                                                                              Support inférieur écope boitier filtre Twingo R2 Référence: 7711167597
                                                                                                                                                                                              €17.45Price
                                                                                                                                                                                              Support inférieur écope boitier filtre Twingo R2
                                                                                                                                                                                                  Support inférieur écope boitier filtre Twingo R2 Référence: 7711167597
                                                                                                                                                                                                  €17.45Price
                                                                                                                                                                                                  Durite Admission Clio 2 RSSilicone Air Induction Hose for Renault Clio 2 RS
                                                                                                                                                                                                      Stop letting a perished or cracked factory hose choke your Clio 2 RS engine. This reinforced silicone induction hose is a direct replacement for the OEM rubber part, which is notorious for collapsing under vacuum. Available in various colors for a subtle or race-inspired customization , it ensures...
                                                                                                                                                                                                      €69.00Price
                                                                                                                                                                                                      Durite Admission Clio 2 RSSilicone Air Induction Hose for Renault Clio 2 RS
                                                                                                                                                                                                          Stop letting a perished or cracked factory hose choke your Clio 2 RS engine. This reinforced silicone induction hose is a direct replacement for the OEM rubber part, which is notorious for collapsing under vacuum. Available in various colors for a subtle or race-inspired customization , it ensures...
                                                                                                                                                                                                          €69.00Price
                                                                                                                                                                                                          Durite modine/radiateur Clio 2 Cup
                                                                                                                                                                                                              The Renault Sport water hose (ref. 7711154249 ) is an essential part to ensure optimal coolant circulation between the water/oil heat exchanger and the radiator of your Renault Clio 2 X65 Cup . It guarantees a stable engine temperature and optimal performance.
                                                                                                                                                                                                              €77.62Price
                                                                                                                                                                                                              Durite modine/radiateur Clio 2 Cup
                                                                                                                                                                                                                  The Renault Sport water hose (ref. 7711154249 ) is an essential part to ensure optimal coolant circulation between the water/oil heat exchanger and the radiator of your Renault Clio 2 X65 Cup . It guarantees a stable engine temperature and optimal performance.
                                                                                                                                                                                                                  €77.62Price
                                                                                                                                                                                                                  En Stock
                                                                                                                                                                                                                  €12.50 Price
                                                                                                                                                                                                                  En Stock
                                                                                                                                                                                                                  €12.50 Price
                                                                                                                                                                                                                  Joint Collecteur Admission Clio 3 RS
                                                                                                                                                                                                                      Joint Collecteur Admission Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                                                                                                                                                      €12.50Price
                                                                                                                                                                                                                      Joint Collecteur Admission Clio 3 RS
                                                                                                                                                                                                                          Joint Collecteur Admission Clio 3 RS Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'admission. Il est conseillé de le changer lors à chaque démontage
                                                                                                                                                                                                                          €12.50Price
                                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                                          €279.71 Price
                                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                                          €279.71 Price
                                                                                                                                                                                                                          Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
                                                                                                                                                                                                                              Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
                                                                                                                                                                                                                              €279.71Price
                                                                                                                                                                                                                              Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
                                                                                                                                                                                                                                  Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
                                                                                                                                                                                                                                  €279.71Price