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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: Alimentation
  • Categories: Circuit d'air
  • Categories: Support moteur
En Stock
€34.04 Price
En Stock
€34.04 Price
Support connecteur Cablage Megane 3 RS et N4Support connecteur Cablage Megane 3 RS et N4
      Support connecteur Cablage Megane 3 RS et N4 Référence: 242300002R
      €34.04Price
      Support connecteur Cablage Megane 3 RS et N4Support connecteur Cablage Megane 3 RS et N4
          Support connecteur Cablage Megane 3 RS et N4 Référence: 242300002R
          €34.04Price
          En Stock
          €3.48 Price
          En Stock
          €3.48 Price
          Écrou de fixation arrière anti cabrage Clio 2 RS
              Écrou de fixation arrière anti cabrage Clio 2 RS
              €3.48Price
              Écrou de fixation arrière anti cabrage Clio 2 RS
                  Écrou de fixation arrière anti cabrage Clio 2 RS
                  €3.48Price
                  Vis arrière de fixation anti cabrage Clio 2 RS et Gr N
                      Vis arrière de fixation anti cabrage Clio 2 RS et Gr N Uniquement compatible pour Clio 2 RS Phase 2 et 3
                      €10.67Price
                      Vis arrière de fixation anti cabrage Clio 2 RS et Gr N
                          Vis arrière de fixation anti cabrage Clio 2 RS et Gr N Uniquement compatible pour Clio 2 RS Phase 2 et 3
                          €10.67Price
                          Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
                              Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
                              €3.36Price
                              Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
                                  Ecrou de fixation de patte de tirant anti glissement Clio 2 RS et Gr N
                                  €3.36Price
                                  En Stock
                                  €230.05 €270.65 Regular price -15% off Price
                                  En Stock
                                  €230.05 €270.65 Regular price -15% off Price
                                  Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
                                      The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
                                      €230.05€270.65Regular price-15% offPrice
                                      Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
                                          The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
                                          €230.05€270.65Regular price-15% offPrice
                                          En Stock
                                          €9.60 Price
                                          En Stock
                                          €9.60 Price
                                          Vis M12 anti cabrage
                                              Vis M12 Vis utilisée pour la fixation de la partie av de l'anti cabrage inférieur sur la Clio 3 X85 Cup et utilisée pour la fixation de la partie arriere de l'anti cabrage inferieur sur Twingo 2 RS et Wind Référence: 7703002363-7703002951
                                              €9.60Price
                                              Vis M12 anti cabrage
                                                  Vis M12 Vis utilisée pour la fixation de la partie av de l'anti cabrage inférieur sur la Clio 3 X85 Cup et utilisée pour la fixation de la partie arriere de l'anti cabrage inferieur sur Twingo 2 RS et Wind Référence: 7703002363-7703002951
                                                  €9.60Price
                                                  Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup
                                                      Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup Référence: 7711160059
                                                      €14.64Price
                                                      Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup
                                                          Entretoise rotule pour biellette de reprise de couple Clio 3 X85 Cup Référence: 7711160059
                                                          €14.64Price
                                                          En Stock
                                                          €200.27 Price
                                                          En Stock
                                                          €200.27 Price
                                                          Biellette de reprise de couple Clio 3 X85 Cup
                                                              Biellette de reprise de couple Clio 3 X85 Cup Référence: 7711160020
                                                              €200.27Price
                                                              Biellette de reprise de couple Clio 3 X85 Cup
                                                                  Biellette de reprise de couple Clio 3 X85 Cup Référence: 7711160020
                                                                  €200.27Price
                                                                  En Stock
                                                                  €149.06 Price
                                                                  En Stock
                                                                  €149.06 Price
                                                                  Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                                      Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                                      €149.06Price
                                                                      Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                                          Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                                          €149.06Price
                                                                          En Stock
                                                                          €148.57 Price
                                                                          En Stock
                                                                          €148.57 Price
                                                                          Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                              Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                              €148.57Price
                                                                              Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                                  Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                                  €148.57Price
                                                                                  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
                                                                                          €121.85 Price
                                                                                          En Stock
                                                                                          €121.85 Price
                                                                                          Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                                                              Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                                                              €121.85Price
                                                                                              Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                                                                  Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                                                                  €121.85Price
                                                                                                  En Stock
                                                                                                  €115.33 Price
                                                                                                  En Stock
                                                                                                  €115.33 Price
                                                                                                  Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                                                                                      Tuyau entrée reservoir / passe cloison Twingo R2
                                                                                                      €115.33Price
                                                                                                      Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                                                                                          Tuyau entrée reservoir / passe cloison Twingo R2
                                                                                                          €115.33Price
                                                                                                          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
                                                                                                                  Joint de boitier papillon
                                                                                                                    • Pack
                                                                                                                    The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
                                                                                                                    €7.93Price
                                                                                                                    Joint de boitier papillon
                                                                                                                      • Pack
                                                                                                                      The mechanical throttle body gasket is a quality part essential for optimizing the operation of your Renault Clio 2 RS Phase 1, Clio Gr N , or Clio 2 X65 Cup . Ensure perfect sealing and maintain your engine's performance with this reliable replacement gasket.
                                                                                                                      €7.93Price
                                                                                                                      Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                                                          €25.66Price
                                                                                                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                                                              Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                                                              €25.66Price
                                                                                                                              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
                                                                                                                                      Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                                                          Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                                                          €25.58Price
                                                                                                                                          Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                                                              Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                                                              €25.58Price
                                                                                                                                              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
                                                                                                                                                              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
                                                                                                                                                                      Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                                          Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                                          €13.08Price
                                                                                                                                                                          Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                                              Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                                              €13.08Price
                                                                                                                                                                              Borne positive batterie Megane 3 RS et N4
                                                                                                                                                                                  Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                                                                                                  €10.58Price
                                                                                                                                                                                  Borne positive batterie Megane 3 RS et N4
                                                                                                                                                                                      Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                                                                                                      €10.58Price
                                                                                                                                                                                      Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                                                                                          Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                                                                                          €96.72Price
                                                                                                                                                                                          Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                                                                                              Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                                                                                              €96.72Price