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Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

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

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

Essential Products to Maximize Engine Performance

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

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

Industry-Leading Benchmark Brands

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

Why you should Choose Optimiz Access for Your Engine Upgrades

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

Unleash Your Engine's Full Potential Today

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

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  • Categories: Alimentation
  • Categories: Préparation intérieure
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
          En Stock
          €35.68 Price
          En Stock
          €35.68 Price
          Butée basse pédale d'accélérateur Twingo R2Butée basse pédale d'accélérateur Twingo R2
              Butée basse pédale d'accélérateur Twingo R2 Référence: 7711157182
              €35.68Price
              Butée basse pédale d'accélérateur Twingo R2Butée basse pédale d'accélérateur Twingo R2
                  Butée basse pédale d'accélérateur Twingo R2 Référence: 7711157182
                  €35.68Price
                  En Stock
                  €13.37 Price
                  En Stock
                  €13.37 Price
                  Joint Plenum Clio 2 RS
                      Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                      €13.37Price
                      Joint Plenum Clio 2 RS
                          Joint Plenum Clio 2 RS. Joint permettant de faire l’étanchéité entre le collecteur d'admission et le plenum Il est conseillé de le changer lors à chaque démontage et donc lors du retaillage de l'ensemble collecteur / plenum
                          €13.37Price
                          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
                                  Collection de 3 segments pour piston Twingo RS R1 et R2 160
                                      Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston) Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
                                      €68.32Price
                                      Collection de 3 segments pour piston Twingo RS R1 et R2 160
                                          Original RENAULT Piston Ring Set for Twingo 2 RS (for 1 piston) Do not compromise the compression and power of your Twingo 2 RS engine. This original RENAULT piston...
                                          €68.32Price
                                          Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
                                              Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3 Référence: 7711160198
                                              €57.72Price
                                              Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3
                                                  Banjo alimentation rampe essence Twingo R1 et R2 et Clio R3 Référence: 7711160198
                                                  €57.72Price
                                                  En Stock
                                                  €5.63 Price
                                                  En Stock
                                                  €5.63 Price
                                                  Joint de queue de soupape
                                                      Joint de queue de soupape Attention pour Megane 3 RS les joints sont différents entre admission et échappement Vendu à l'unité
                                                      €5.63Price
                                                      Joint de queue de soupape
                                                          Joint de queue de soupape Attention pour Megane 3 RS les joints sont différents entre admission et échappement Vendu à l'unité
                                                          €5.63Price
                                                          En Stock
                                                          €25.69 Price
                                                          En Stock
                                                          €25.69 Price
                                                          Vis Banjo alimentation rampe Twingo R1 et R2
                                                              Vis Banjo alimentation rampe Twingo R1 et R2 Référence: 7711129199
                                                              €25.69Price
                                                              Vis Banjo alimentation rampe Twingo R1 et R2
                                                                  Vis Banjo alimentation rampe Twingo R1 et R2 Référence: 7711129199
                                                                  €25.69Price
                                                                  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
                                                                          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
                                                                                  Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                      Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                      €173.57Price
                                                                                      Tuyau carburant entre réservoir et coupling Goodridge Megane N4
                                                                                          Tuyau carburant entre réservoir et coupling Goodridge Megane N4 Référence: 7711167089
                                                                                          €173.57Price
                                                                                          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
                                                                                                  En Stock
                                                                                                  €546.20 Price
                                                                                                  En Stock
                                                                                                  €546.20 Price
                                                                                                  Alternateur Clio 3 RS y compris X85 Cup et R3
                                                                                                      Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
                                                                                                      €546.20Price
                                                                                                      Alternateur Clio 3 RS y compris X85 Cup et R3
                                                                                                          Ensure reliable electrical power for your Renault Clio 3 RS , Renault Clio R3 , or Renault Clio 3 X85 Cup with this genuine RENAULT alternator . An essential component for the proper functioning of your sports vehicle. Find associated complementary products at the bottom of the page for optimal...
                                                                                                          €546.20Price
                                                                                                          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
                                                                                                                  €396.19 Price
                                                                                                                  En Stock
                                                                                                                  €396.19 Price
                                                                                                                  Module jauge pompe Megane 2 RSMegane 2 RS Fuel Gauge/Pump Module - Original
                                                                                                                      The original Renault fuel gauge/pump module is an essential part to ensure reliable and precise fuel supply on your Renault Megane 2 RS . Please note, there are two different assemblies for this vehicle. Contact us with your vehicle's VIN for accurate guidance.
                                                                                                                      €396.19Price
                                                                                                                      Module jauge pompe Megane 2 RSMegane 2 RS Fuel Gauge/Pump Module - Original
                                                                                                                          The original Renault fuel gauge/pump module is an essential part to ensure reliable and precise fuel supply on your Renault Megane 2 RS . Please note, there are two different assemblies for this vehicle. Contact us with your vehicle's VIN for accurate guidance.
                                                                                                                          €396.19Price
                                                                                                                          Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
                                                                                                                              Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
                                                                                                                              €37.90Price
                                                                                                                              Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
                                                                                                                                  Bague étanchéité vis et bouchon arbre à cames admission Twingo RS, R1 et R2
                                                                                                                                  €37.90Price
                                                                                                                                  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
                                                                                                                                          Genuine AC Delete Accessory Bracket - Renault Twingo 2 RSGenuine AC Delete Accessory Bracket - Renault Twingo 2 RS
                                                                                                                                              Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
                                                                                                                                              €217.02Price
                                                                                                                                              Genuine AC Delete Accessory Bracket - Renault Twingo 2 RSGenuine AC Delete Accessory Bracket - Renault Twingo 2 RS
                                                                                                                                                  Don't let a heavy and power-consuming air conditioning compressor hold back the performance of your Renault Twingo 2 RS . This genuine Renault accessory bracket is the official solution for a reliable AC delete . Specifically designed for the K4M RS engine , it allows for significant weight reduction and improved engine...
                                                                                                                                                  €217.02Price
                                                                                                                                                  Tuyau carburant entre coupling Goodridge et rampe Megane N4
                                                                                                                                                      Tuyau carburant entre coupling Goodridge et rampe Megane N4 Référence: 7711167090
                                                                                                                                                      €146.16Price
                                                                                                                                                      Tuyau carburant entre coupling Goodridge et rampe Megane N4
                                                                                                                                                          Tuyau carburant entre coupling Goodridge et rampe Megane N4 Référence: 7711167090
                                                                                                                                                          €146.16Price
                                                                                                                                                          En Stock
                                                                                                                                                          €12.78 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €12.78 Price
                                                                                                                                                          Tuyau essence vapeur canister Ø8 Megane N4Tuyau essence vapeur canister Ø8 Megane N4
                                                                                                                                                              Tuyau essence vapeur canister Ø8 Megane N4 Référence: 7711167251
                                                                                                                                                              €12.78Price
                                                                                                                                                              Tuyau essence vapeur canister Ø8 Megane N4Tuyau essence vapeur canister Ø8 Megane N4
                                                                                                                                                                  Tuyau essence vapeur canister Ø8 Megane N4 Référence: 7711167251
                                                                                                                                                                  €12.78Price
                                                                                                                                                                  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
                                                                                                                                                                          Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                                                                                              Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                                                                                              €41.95Price
                                                                                                                                                                              Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                                                                                                  Bague étanchéité arbre à cames échappement Twingo RS, R1 et R2
                                                                                                                                                                                  €41.95Price
                                                                                                                                                                                  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
                                                                                                                                                                                          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
                                                                                                                                                                                                  Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)
                                                                                                                                                                                                      Mechanical throttle potentiometer, identical to the original, compatible with Renault Clio 2 RS, Clio 2 Rally, Clio 2 Gr N, and Clio 2 X65 Cup. Optimal performance and precision for your vehicle.
                                                                                                                                                                                                      €67.50Price
                                                                                                                                                                                                      Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)Renault Clio 2 RS Mechanical Throttle Potentiometer (Original Equivalent)
                                                                                                                                                                                                          Mechanical throttle potentiometer, identical to the original, compatible with Renault Clio 2 RS, Clio 2 Rally, Clio 2 Gr N, and Clio 2 X65 Cup. Optimal performance and precision for your vehicle.
                                                                                                                                                                                                          €67.50Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €55.68 Price
                                                                                                                                                                                                          En Stock
                                                                                                                                                                                                          €55.68 Price
                                                                                                                                                                                                          Tuyau 200-06 lg:300 connection rampe Tatuus
                                                                                                                                                                                                              Tuyau 200-06 lg:300 connection rampe Tatuus Réference: 7711155525
                                                                                                                                                                                                              €55.68Price
                                                                                                                                                                                                              Tuyau 200-06 lg:300 connection rampe Tatuus
                                                                                                                                                                                                                  Tuyau 200-06 lg:300 connection rampe Tatuus Réference: 7711155525
                                                                                                                                                                                                                  €55.68Price