Pensez à sélectionner votre vehicule pour limiter les resultats de recherche

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.

Active filters

  • Categories: Alimentation
  • Categories: Préparation intérieure
  • Categories: Support moteur
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
          €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
                  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
                          €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 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
                                          €37.52 Price
                                          En Stock
                                          €37.52 Price
                                          Raccord 90° de rampe d'injection Clio Gr N
                                              Secure your fuel system with this official RENAULT SPORT 90° fuel rail fitting . A key component from the competition catalog for the Renault Clio 2 RS Group N , this fitting ensures constant flow and absolute sealing under pressure. Do not let a standard component compromise the safety of your racing setup or your track day...
                                              €37.52Price
                                              Raccord 90° de rampe d'injection Clio Gr N
                                                  Secure your fuel system with this official RENAULT SPORT 90° fuel rail fitting . A key component from the competition catalog for the Renault Clio 2 RS Group N , this fitting ensures constant flow and absolute sealing under pressure. Do not let a standard component compromise the safety of your racing setup or your track day...
                                                  €37.52Price
                                                  Vis de bielle origine
                                                      Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                      €8.56Price
                                                      Vis de bielle origine
                                                          Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                          €8.56Price
                                                          En Stock
                                                          €66.99 Price
                                                          En Stock
                                                          €66.99 Price
                                                          Injecteur Clio 3 RS et X85 Cup
                                                              The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                              €66.99Price
                                                              Injecteur Clio 3 RS et X85 Cup
                                                                  The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                                  €66.99Price
                                                                  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
                                                                          En Stock
                                                                          €70.25 Price
                                                                          En Stock
                                                                          €70.25 Price
                                                                          Blue Crankshaft Half-Bearing Set
                                                                              Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                                                                              €70.25Price
                                                                              Blue Crankshaft Half-Bearing Set
                                                                                  Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                                                                                  €70.25Price
                                                                                  Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSLinguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RS
                                                                                      Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
                                                                                      €90.76Price
                                                                                      Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSLinguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RS
                                                                                          Linguet rouleau Clio 2 RS et  Clio 3 RS y compris R3 et X85 Cup et Twingo RSVéritable produit d'origine
                                                                                          €90.76Price
                                                                                          En Stock
                                                                                          €39.82 Price
                                                                                          En Stock
                                                                                          €39.82 Price
                                                                                          Silent Bloc Powerflex Anti Cabrage Sup Clio 3 RS
                                                                                              Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
                                                                                              €39.82Price
                                                                                              Silent Bloc Powerflex Anti Cabrage Sup Clio 3 RS
                                                                                                  Silent Bloc Powerflex Anti Cabrage Superieur pour Clio 3 RS Produit à inserieur en lieu et place du silent bloc d'origine
                                                                                                  €39.82Price
                                                                                                  Câble accélérateur Clio 3 X85 Cup
                                                                                                      Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup . Genuine manufacturer part (Reference 7711160160). High-resistance design for intensive competition ...
                                                                                                      €52.69Price
                                                                                                      Câble accélérateur Clio 3 X85 Cup
                                                                                                          Don't let a seized cable compromise your responsiveness on the track. This official Renault Sport throttle cable is specifically designed for the Renault Clio 3 X85 Cup . Genuine manufacturer part (Reference 7711160160). High-resistance design for intensive competition ...
                                                                                                          €52.69Price
                                                                                                          RENAULT SPORT Assembled Cylinder Head - Renault Twingo R2 EVO 195hpRENAULT SPORT Assembled Cylinder Head - Renault Twingo R2 EVO 195hp
                                                                                                              Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
                                                                                                              €8,104.62Price
                                                                                                              RENAULT SPORT Assembled Cylinder Head - Renault Twingo R2 EVO 195hpRENAULT SPORT Assembled Cylinder Head - Renault Twingo R2 EVO 195hp
                                                                                                                  Optimize the performance of your Renault Twingo R2 EVO 195hp with this genuine RENAULT SPORT assembled cylinder head (ref. 7711167644). Supplied with valves, retainers, valve springs, rocker arms, and pushrods, this cylinder head is ready to be installed (camshafts not included). Guaranteed performance and reliability.
                                                                                                                  €8,104.62Price
                                                                                                                  En Stock
                                                                                                                  €265.70 Price
                                                                                                                  En Stock
                                                                                                                  €265.70 Price
                                                                                                                  Fuel Gauge/Pump Module Clio 3 RS/R3/Cup - Original
                                                                                                                      The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
                                                                                                                      €265.70Price
                                                                                                                      Fuel Gauge/Pump Module Clio 3 RS/R3/Cup - Original
                                                                                                                          The original Renault fuel gauge/pump module is an essential part to ensure a reliable and precise fuel supply on your Renault Clio 3 RS , Renault Clio R3 , and Renault Clio 3 X85 Cup . It guarantees accurate fuel level measurement and constant pressure, indispensable for optimal performance. We ship worldwide.
                                                                                                                          €265.70Price
                                                                                                                          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
                                                                                                                                  En Stock
                                                                                                                                  €5.66 Price
                                                                                                                                  En Stock
                                                                                                                                  €5.66 Price
                                                                                                                                  Vis de fixation galet enrouleur de distribution K4MVis de fixation galet enrouleur de distribution K4M
                                                                                                                                      Vis de fixation galet enrouleur de distribution K4M 8200581340
                                                                                                                                      €5.66Price
                                                                                                                                      Vis de fixation galet enrouleur de distribution K4MVis de fixation galet enrouleur de distribution K4M
                                                                                                                                          Vis de fixation galet enrouleur de distribution K4M 8200581340
                                                                                                                                          €5.66Price
                                                                                                                                          Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
                                                                                                                                              Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv Référence: 8200329496
                                                                                                                                              €194.51Price
                                                                                                                                              Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv
                                                                                                                                                  Cale admission porte injecteur Twingo 2 RS y compris R1 et R2 160cv Référence: 8200329496
                                                                                                                                                  €194.51Price
                                                                                                                                                  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
                                                                                                                                                          €69.56 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €69.56 Price
                                                                                                                                                          Flexible à carburant Té / rampe Clio 3 Cup
                                                                                                                                                              Do not risk a fuel system failure mid-session. The Goodridge Tee to fuel rail hose is crucial for the reliability of your Clio 3 x85 Cup . Keeping a worn or inadequate hose directly exposes your engine to critical fuel starvation or severe leak risks. Permanently secure your injection system with this high-precision...
                                                                                                                                                              €69.56Price
                                                                                                                                                              Flexible à carburant Té / rampe Clio 3 Cup
                                                                                                                                                                  Do not risk a fuel system failure mid-session. The Goodridge Tee to fuel rail hose is crucial for the reliability of your Clio 3 x85 Cup . Keeping a worn or inadequate hose directly exposes your engine to critical fuel starvation or severe leak risks. Permanently secure your injection system with this high-precision...
                                                                                                                                                                  €69.56Price
                                                                                                                                                                  Sonde pression Twingo R2New Genuine Renault Sport Oil Pressure Sensor - Clio R3 & Twingo R2
                                                                                                                                                                      This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
                                                                                                                                                                      €195.78Price
                                                                                                                                                                      Sonde pression Twingo R2New Genuine Renault Sport Oil Pressure Sensor - Clio R3 & Twingo R2
                                                                                                                                                                          This new oil pressure sensor , from the Renault Sport competition catalog , is a vital safety part for the rally engines of the Renault Clio R3 and Twingo R2 . It is essential for monitoring lubrication and thereby preventing catastrophic engine failures caused by a lack or drop in oil pressure.
                                                                                                                                                                          €195.78Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €402.96 Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €402.96 Price
                                                                                                                                                                          Convergent boitier filtre assemblé Twingo R2 195cvConvergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                                                              Convergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                                                              €402.96Price
                                                                                                                                                                              Convergent boitier filtre assemblé Twingo R2 195cvConvergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                                                                  Convergent boitier filtre assemblé Twingo R2 195cv
                                                                                                                                                                                  €402.96Price