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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: Kit Allègement
  • Categories: Préparation intérieure
  • Categories: Refroidissement
  • Categories: Support moteur
En Stock
€27.42 Price
En Stock
€27.42 Price
Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
      Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
      €27.42Price
      Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
          Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
          €27.42Price
          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
                  En Stock
                  €32.92 Price
                  En Stock
                  €32.92 Price
                  Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                      Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                      €32.92Price
                      Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                          Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                          €32.92Price
                          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
                                          €15.43 Price
                                          En Stock
                                          €15.43 Price
                                          Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                              Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                              €15.43Price
                                              Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                  Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                  €15.43Price
                                                  En Stock
                                                  €134.58 Price
                                                  En Stock
                                                  €134.58 Price
                                                  Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                      Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                      €134.58Price
                                                      Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                          Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                          €134.58Price
                                                          Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                              This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                              €29.34Price
                                                              Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                                  This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                                  €29.34Price
                                                                  En Stock
                                                                  €25.25 Price
                                                                  En Stock
                                                                  €25.25 Price
                                                                  Accessory Belt for AC Delete Kit - Alpine A110
                                                                      This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                      €25.25Price
                                                                      Accessory Belt for AC Delete Kit - Alpine A110
                                                                          This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                          €25.25Price
                                                                          Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                              The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                              €29.34Price
                                                                              Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                                  The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                                  €29.34Price
                                                                                  Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                      Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                      €14.65Price
                                                                                      Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                          Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                          €14.65Price
                                                                                          En Stock
                                                                                          €178.20 Price
                                                                                          En Stock
                                                                                          €178.20 Price
                                                                                          Plaque reniflard Clio 2 RS 172
                                                                                              Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                              €178.20Price
                                                                                              Plaque reniflard Clio 2 RS 172
                                                                                                  Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                  €178.20Price
                                                                                                  En Stock
                                                                                                  €126.80 €181.14 Regular price -30% off Price
                                                                                                  En Stock
                                                                                                  €126.80 €181.14 Regular price -30% off Price
                                                                                                  GMV (Ventilateur) type chauffo Twingo RS et R1
                                                                                                      GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                                                                                                      €126.80€181.14Regular price-30% offPrice
                                                                                                      GMV (Ventilateur) type chauffo Twingo RS et R1
                                                                                                          GMV (Ventilateur) type chauffo Twingo RS et R1 Référence: 7711162740 - 8200066098 Egalement compatible avec d'autres motorisations
                                                                                                          €126.80€181.14Regular price-30% offPrice
                                                                                                          En Stock
                                                                                                          €11.53 Price
                                                                                                          En Stock
                                                                                                          €11.53 Price
                                                                                                          Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                              Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                              €11.53Price
                                                                                                              Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                  Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                  €11.53Price
                                                                                                                  Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                      Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                      €2.34Price
                                                                                                                      Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                          Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                          €2.34Price
                                                                                                                          Vis Fixation Volant Moteur
                                                                                                                              Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                                                                                                              €5.64Price
                                                                                                                              Vis Fixation Volant Moteur
                                                                                                                                  Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                                                                                                                  €5.64Price
                                                                                                                                  Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                                                                      The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                                                                      €16.92Price
                                                                                                                                      Bague étanchéité arbre à cames Twingo R2Twingo RS (R1/R2) Exhaust Camshaft Oil Seal - Original
                                                                                                                                          The original Renault exhaust camshaft oil seal is an essential sealing part for your Renault Twingo RS, Twingo R1 , or Twingo R2 . It ensures a tight seal between the camshaft, cylinder head, and valve cover, preserving your engine's performance and reliability.
                                                                                                                                          €16.92Price
                                                                                                                                          Joint de queue de soupape echappement Megane 3 RS et N4Joint de queue de soupape echappement Megane 3 RS et N4
                                                                                                                                              Joint de queue de soupape echappement Megane 3 RS et N4 Vendu à l'unité Véritable produit d'origine
                                                                                                                                              €7.80Price
                                                                                                                                              Joint de queue de soupape echappement Megane 3 RS et N4Joint de queue de soupape echappement Megane 3 RS et N4
                                                                                                                                                  Joint de queue de soupape echappement Megane 3 RS et N4 Vendu à l'unité Véritable produit d'origine
                                                                                                                                                  €7.80Price
                                                                                                                                                  En Stock
                                                                                                                                                  €133.31 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €133.31 Price
                                                                                                                                                  Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                                                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                      €133.31Price
                                                                                                                                                      Joint de Culasse renforcé CometicJoint de Culasse renforcé Cometic
                                                                                                                                                          Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 0.75mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                          €133.31Price
                                                                                                                                                          En Stock
                                                                                                                                                          €122.00 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €122.00 Price
                                                                                                                                                          ARP Uprated Rod Bolts | Renault Clio & Megane RS
                                                                                                                                                              Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                                                                                                                                                              €122.00Price
                                                                                                                                                              ARP Uprated Rod Bolts | Renault Clio & Megane RS
                                                                                                                                                                  Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                                                                                                                                                                  €122.00Price
                                                                                                                                                                  Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                                                                                                                                      Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                                                                                                                                      €17.09Price
                                                                                                                                                                      Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
                                                                                                                                                                          Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
                                                                                                                                                                          €17.09Price
                                                                                                                                                                          Collection de Ségments (X82.70)
                                                                                                                                                                              Ensure a perfect engine seal with this genuine Renault piston ring set . Specifically designed for the F4R and F4Rt engines found in the Clio 2 RS , Clio 3 RS , and Megane 3 RS , this kit is the crucial element for restoring...
                                                                                                                                                                              €37.55Price
                                                                                                                                                                              Collection de Ségments (X82.70)
                                                                                                                                                                                  Ensure a perfect engine seal with this genuine Renault piston ring set . Specifically designed for the F4R and F4Rt engines found in the Clio 2 RS , Clio 3 RS , and Megane 3 RS , this kit is the crucial element for restoring...
                                                                                                                                                                                  €37.55Price
                                                                                                                                                                                  Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                      Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                      €265.93Price
                                                                                                                                                                                      Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                          Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                          €265.93Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €133.39 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €133.39 Price
                                                                                                                                                                                          Joint de Culasse Cometic Clio 16S /WilliamsJoint de Culasse Cometic Clio 16S /Williams
                                                                                                                                                                                              Joint de culasse Cometic. Haute résistance. Alesage 83 mm , Epaisseur 0.76 Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. Nous contacter pour connaitre les épaisseurs possibles D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                                                              €133.39Price
                                                                                                                                                                                              Joint de Culasse Cometic Clio 16S /WilliamsJoint de Culasse Cometic Clio 16S /Williams
                                                                                                                                                                                                  Joint de culasse Cometic. Haute résistance. Alesage 83 mm , Epaisseur 0.76 Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. Nous contacter pour connaitre les épaisseurs possibles D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                                                                  €133.39Price
                                                                                                                                                                                                  Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                                                                                                                                                      Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                                                                                                                                                      €831.29Price
                                                                                                                                                                                                      Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                                                                                                                                                          Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                                                                                                                                                          €831.29Price