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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: Préparation intérieure
Poulie accessoire filtrante (damper) Twingo RS, R1 et R2Poulie accessoire filtrante (damper) Twingo RS, R1 et R2
      Poulie accessoire filtrante Twingo RS, R1 et R2 7711167301
      €127.10Price
      Poulie accessoire filtrante (damper) Twingo RS, R1 et R2Poulie accessoire filtrante (damper) Twingo RS, R1 et R2
          Poulie accessoire filtrante Twingo RS, R1 et R2 7711167301
          €127.10Price
          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
                  €198.25 Price
                  En Stock
                  €198.25 Price
                  Kit Joint Refection moteur Origine Clio 3 RS
                      Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                      €198.25Price
                      Kit Joint Refection moteur Origine Clio 3 RS
                          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                          €198.25Price
                          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
                                  En Stock
                                  €3.16 Price
                                  En Stock
                                  €3.16 Price
                                  Clip maintien support linguet Twingo R2 195/205
                                      Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                      €3.16Price
                                      Clip maintien support linguet Twingo R2 195/205
                                          Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                          €3.16Price
                                          Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                              Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                              €20.87Price
                                              Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                                  Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                                  €20.87Price
                                                  Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
                                                      Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
                                                      €33.94Price
                                                      Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
                                                          Joint spy vilebrequin côté distribution Twingo RS y compris R1 et R2
                                                          €33.94Price
                                                          En Stock
                                                          €1,326.07 Price
                                                          En Stock
                                                          €1,326.07 Price
                                                          AAC Admission loi 286TR2A2 Twingo R2 205
                                                              AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
                                                              €1,326.07Price
                                                              AAC Admission loi 286TR2A2 Twingo R2 205
                                                                  AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
                                                                  €1,326.07Price
                                                                  Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                                                      Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                                                      €0.23Price
                                                                      Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65
                                                                          Joint trama capteur pression huile Ø8.4x13.8 Clio 2 Cup X65 Référence : 7711065381
                                                                          €0.23Price
                                                                          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
                                                                                  En Stock
                                                                                  €174.00 Price
                                                                                  En Stock
                                                                                  €174.00 Price
                                                                                  Joint de Culasse renforcé Cometic Megane 3 RS 1.7Joint de Culasse renforcé Cometic Megane 3 RS 1.7
                                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm 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.
                                                                                      €174.00Price
                                                                                      Joint de Culasse renforcé Cometic Megane 3 RS 1.7Joint de Culasse renforcé Cometic Megane 3 RS 1.7
                                                                                          Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm 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.
                                                                                          €174.00Price
                                                                                          En Stock
                                                                                          €211.80 Price
                                                                                          En Stock
                                                                                          €211.80 Price
                                                                                          Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                                              Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                                              €211.80Price
                                                                                              Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                                                  Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                                                  €211.80Price
                                                                                                  En Stock
                                                                                                  €47.34 Price
                                                                                                  En Stock
                                                                                                  €47.34 Price
                                                                                                  Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                                                                      Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                                                                      €47.34Price
                                                                                                      Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                                                                          Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                                                                          €47.34Price
                                                                                                          En Stock
                                                                                                          €174.00 Price
                                                                                                          En Stock
                                                                                                          €174.00 Price
                                                                                                          Joint de Culasse renforcé Cometic Megane 3 RS 1.9Joint de Culasse renforcé Cometic Megane 3 RS 1.9
                                                                                                              Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.9 mm 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.
                                                                                                              €174.00Price
                                                                                                              Joint de Culasse renforcé Cometic Megane 3 RS 1.9Joint de Culasse renforcé Cometic Megane 3 RS 1.9
                                                                                                                  Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.9 mm 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.
                                                                                                                  €174.00Price
                                                                                                                  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
                                                                                                                          En Stock
                                                                                                                          €81.65 Price
                                                                                                                          En Stock
                                                                                                                          €81.65 Price
                                                                                                                          Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                                                                                                              Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                                                                                                              €81.65Price
                                                                                                                              Bielle Twingo RS R1 et R2 160Bielle Twingo RS R1 et R2 160
                                                                                                                                  Connecting Rod for Twingo RS R1 and R2 160: Enhance the durability and performance of your engine with this robust connecting rod, designed for extreme conditions and easy installation.
                                                                                                                                  €81.65Price
                                                                                                                                  Flasque palier ( X2.30 )2.3mm Crankshaft Thrust Washer - Renault Clio RS & Megane RS
                                                                                                                                      Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
                                                                                                                                      €43.51Price
                                                                                                                                      Flasque palier ( X2.30 )2.3mm Crankshaft Thrust Washer - Renault Clio RS & Megane RS
                                                                                                                                          Ensure the longevity of your bottom end with this genuine Renault crankshaft thrust washer pair . Featuring a precise thickness of 2.3 mm , these thrust bearings are essential for controlling crankshaft end play on F7R and F4R engines. A certified OEM part for Clio Williams, Clio 2 RS, Clio 3 RS, and...
                                                                                                                                          €43.51Price
                                                                                                                                          Ressort de soupapes Clio 3 RS y compris X85 Cup et R3 Max 230 - Megane 3 RS
                                                                                                                                              Ressort de soupapes Clio 3 RS y compris X85 Cup et R3 Max 230 - Megane 3 RS
                                                                                                                                              €14.95Price
                                                                                                                                              Ressort de soupapes Clio 3 RS y compris X85 Cup et R3 Max 230 - Megane 3 RS
                                                                                                                                                  Ressort de soupapes Clio 3 RS y compris X85 Cup et R3 Max 230 - Megane 3 RS
                                                                                                                                                  €14.95Price
                                                                                                                                                  En Stock
                                                                                                                                                  €224.35 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €224.35 Price
                                                                                                                                                  Kit Joint Refection moteur Origine Clio 2 RS
                                                                                                                                                      Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                                                                                                                                                      €224.35Price
                                                                                                                                                      Kit Joint Refection moteur Origine Clio 2 RS
                                                                                                                                                          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                                                                                                                                                          €224.35Price
                                                                                                                                                          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
                                                                                                                                                                  Electrovanne décalage arbre à cames (dephasage) Clio 3 RS phase 2 et Cup X85 et Megane 3 RS
                                                                                                                                                                      Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
                                                                                                                                                                      €202.56Price
                                                                                                                                                                      Electrovanne décalage arbre à cames (dephasage) Clio 3 RS phase 2 et Cup X85 et Megane 3 RS
                                                                                                                                                                          Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
                                                                                                                                                                          €202.56Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €251.47 Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €251.47 Price
                                                                                                                                                                          Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                                              Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                                              €251.47Price
                                                                                                                                                                              Kit Joint Refection moteur Origine Megane 3 RSKit Joint Refection moteur Origine Megane 3 RS
                                                                                                                                                                                  Ensemble de joints nécessaire au bon remontage du moteur de Megane 3 RS Véritable produit d'origine
                                                                                                                                                                                  €251.47Price
                                                                                                                                                                                  Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                                                                                      Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                                                                                      €33.55Price
                                                                                                                                                                                      Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                                                                                          Gicleur Piston 1-3 Clio 2 RS y compris Gr N et X65 Cup
                                                                                                                                                                                          €33.55Price
                                                                                                                                                                                          Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 CupGicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup
                                                                                                                                                                                              Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup  
                                                                                                                                                                                              €33.55Price
                                                                                                                                                                                              Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 CupGicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup
                                                                                                                                                                                                  Gicleur Piston 2-4 Clio 2 RS y compris Gr N et x65 Cup  
                                                                                                                                                                                                  €33.55Price
                                                                                                                                                                                                  En Stock
                                                                                                                                                                                                  €139.14 Price
                                                                                                                                                                                                  En Stock
                                                                                                                                                                                                  €139.14 Price
                                                                                                                                                                                                  Piston équipé C (X82.70) Clio 3 RS
                                                                                                                                                                                                      The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
                                                                                                                                                                                                      €139.14Price
                                                                                                                                                                                                      Piston équipé C (X82.70) Clio 3 RS
                                                                                                                                                                                                          The Renault complete piston (index C) is an original part, supplied with pin and pin clips, designed for your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal engine performance and increased reliability.
                                                                                                                                                                                                          €139.14Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €116.83 Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €116.83 Price
                                                                                                                                                                                                          Jeu de segments pour piston origine Megane 3 RS
                                                                                                                                                                                                              Jeu de segments pour piston origine Megane 3 RS 1 Jeu comprend le necessaire pour 1 piston
                                                                                                                                                                                                              €116.83Price
                                                                                                                                                                                                              Jeu de segments pour piston origine Megane 3 RS
                                                                                                                                                                                                                  Jeu de segments pour piston origine Megane 3 RS 1 Jeu comprend le necessaire pour 1 piston
                                                                                                                                                                                                                  €116.83Price