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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: Allumage
  • Categories: Circuit d'air
  • Categories: Préparation intérieure
En Stock
€11.53 Price
En Stock
€11.53 Price
Demi coussinet rouge ligne arbre Twingo R2Demi coussinet rouge ligne arbre Twingo R2
      Demi coussinet rouge ligne arbre Twingo R2 Référence: 8200859985-8200859995
      €11.53Price
      Demi coussinet rouge ligne arbre Twingo R2Demi coussinet rouge ligne arbre Twingo R2
          Demi coussinet rouge ligne arbre Twingo R2 Référence: 8200859985-8200859995
          €11.53Price
          Collection de 24 grains de réglage soupapes Twingo R2 195-205
              Collection de 24 grains de réglage soupapes admission Twingo R2 195-205  Référence: 7711167707
              €485.14Price
              Collection de 24 grains de réglage soupapes Twingo R2 195-205
                  Collection de 24 grains de réglage soupapes admission Twingo R2 195-205  Référence: 7711167707
                  €485.14Price
                  En Stock
                  €230.05 €270.65 Regular price -15% off Price
                  En Stock
                  €230.05 €270.65 Regular price -15% off Price
                  Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
                      The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
                      €230.05€270.65Regular price-15% offPrice
                      Cale Porte Injecteur RS Clio 2 RSOriginal RENAULT Intake Manifold / Injector Rail Spacer for Clio 2 RS 182 hp
                          The secret to 182 horsepower ! You wouldn't want to restrict the intake potential of your Clio 2 RS ? This Intake Manifold , also known as the Injector Rail Spacer , is the Original RENAULT part specific to the Clio 2 RS 182 hp models (compatible with all...
                          €230.05€270.65Regular price-15% offPrice
                          Guide jauge huile interne Twingo 2 RS y compris R1 et R2
                              Guide jauge huile interne Twingo 2 RS y compris R1 et R2 Élément venant de monter dans le carter cylindre
                              €39.78Price
                              Guide jauge huile interne Twingo 2 RS y compris R1 et R2
                                  Guide jauge huile interne Twingo 2 RS y compris R1 et R2 Élément venant de monter dans le carter cylindre
                                  €39.78Price
                                  Epingle retenue butée de ressort de pompe à huile K4M
                                      Epingle retenue butée de ressort de pompe à huile K4M
                                      €1.22Price
                                      Epingle retenue butée de ressort de pompe à huile K4M
                                          Epingle retenue butée de ressort de pompe à huile K4M
                                          €1.22Price
                                          Dispo selon configuration
                                          €254.69 Price
                                          Dispo selon configuration
                                          €254.69 Price
                                          Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
                                            • Pack
                                            Pompe à huile assemblée Twingo R2 Référence: 7711162823
                                            €254.69Price
                                            Pompe à huile assemblée Twingo R2Pompe à huile assemblée Twingo R2
                                              • Pack
                                              Pompe à huile assemblée Twingo R2 Référence: 7711162823
                                              €254.69Price
                                              En Stock
                                              €149.06 Price
                                              En Stock
                                              €149.06 Price
                                              Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                  Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                  €149.06Price
                                                  Tuyau dégazage passe cloison / Staubli 2 Twingo R2Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                      Tuyau dégazage passe cloison / Staubli 2 Twingo R2
                                                      €149.06Price
                                                      En Stock
                                                      €121.85 Price
                                                      En Stock
                                                      €121.85 Price
                                                      Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                          Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                          €121.85Price
                                                          Genuine Renault Idle Actuator - Clio 2 RS Phase 1Genuine Renault Idle Actuator - Clio 2 RS Phase 1
                                                              Restore perfect engine idle speed stability to your Renault Clio 2 RS Phase 1 with this genuine Renault idle actuator . An essential part often responsible for unstable idling , stalling, or difficult starting, it guarantees optimal performance for your F4R engine. Don't compromise the reliability of your sports car for a simple faulty sensor.
                                                              €121.85Price
                                                              En Stock
                                                              €148.57 Price
                                                              En Stock
                                                              €148.57 Price
                                                              Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                  Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                  €148.57Price
                                                                  Tuyau remplissage passe cloison / Staubli 1 Twingo R2Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                      Tuyau remplissage passe cloison / Staubli 1 Twingo R2
                                                                      €148.57Price
                                                                      En Stock
                                                                      €115.33 Price
                                                                      En Stock
                                                                      €115.33 Price
                                                                      Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                                                          Tuyau entrée reservoir / passe cloison Twingo R2
                                                                          €115.33Price
                                                                          Tuyau entrée reservoir / passe cloison Twingo R2Tuyau entrée reservoir / passe cloison Twingo R2
                                                                              Tuyau entrée reservoir / passe cloison Twingo R2
                                                                              €115.33Price
                                                                              En Stock
                                                                              €27.42 Price
                                                                              En Stock
                                                                              €27.42 Price
                                                                              Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                                                  Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                                                  €27.42Price
                                                                                  Support bague étanchéité Twingo 2 RS et WindSupport bague étanchéité Twingo 2 RS et Wind
                                                                                      Support bague étanchéité Twingo 2 RS et Wind Référence: 7700105179
                                                                                      €27.42Price
                                                                                      Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                          €25.66Price
                                                                                          Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                              Cablage liaison répartiteur sortie coupe circuit Megane N4
                                                                                              €25.66Price
                                                                                              En Stock
                                                                                              €32.92 Price
                                                                                              En Stock
                                                                                              €32.92 Price
                                                                                              Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                                                                  Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                                                                  €32.92Price
                                                                                                  Poussoir contre came rouleau Twingo 2 RS et WindPoussoir contre came rouleau Twingo 2 RS et Wind
                                                                                                      Poussoir contre came rouleau Twingo 2 RS et Wind Référence: 8200320561
                                                                                                      €32.92Price
                                                                                                      Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                          Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                          €25.58Price
                                                                                                          Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                              Câble liaison batterie entrée coupe circuit Megane N4
                                                                                                              €25.58Price
                                                                                                              En Stock
                                                                                                              €10.02 Price
                                                                                                              En Stock
                                                                                                              €10.02 Price
                                                                                                              Joint de cold side
                                                                                                                  COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                                  €10.02Price
                                                                                                                  Joint de cold side
                                                                                                                      COLD SIDE SEAL – JTCOLD The cold side seal, reference JTCOLD , is a sealing component intended for use on the cold side of an air circuit. It helps provide an airtight connection between...
                                                                                                                      €10.02Price
                                                                                                                      En Stock
                                                                                                                      €15.43 Price
                                                                                                                      En Stock
                                                                                                                      €15.43 Price
                                                                                                                      Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                                                                          Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                                                                          €15.43Price
                                                                                                                          Centreur boite de vitesse et pompe à huileCentreur boite de vitesse et pompe à huile
                                                                                                                              Centreur boite de vitesse et pompe à huile Nous contacter en cas de doute sur la compatibilité avec votre véhicule Référence: 8200582334
                                                                                                                              €15.43Price
                                                                                                                              En Stock
                                                                                                                              €134.58 Price
                                                                                                                              En Stock
                                                                                                                              €134.58 Price
                                                                                                                              Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                                                                                                  Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                                                                                                  €134.58Price
                                                                                                                                  Capteur arbre à cames (déphasage) Twingo 2 RS y compris R1 et R2Camshaft Timing Solenoid – Twingo 2 RS R1 R2
                                                                                                                                      Camshaft timing solenoid valve designed for the Renault Twingo 2 RS , including Twingo R1 and Twingo R2 competition versions. It plays an important role in controlling the engine's variable camshaft timing system. Suitable for replacing a worn or faulty...
                                                                                                                                      €134.58Price
                                                                                                                                      Genuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RSGenuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RS
                                                                                                                                          A key component for ignition and injection, this Genuine Renault Camshaft Position Sensor guarantees the accuracy of information transmitted to your sports car's ECU. Essential for the proper functioning of your Renault Clio 3 RS Phase 2, Clio 3 X85 Cup, and Renault Mégane 3 RS . Choose Manufacturer...
                                                                                                                                          €76.50Price
                                                                                                                                          Genuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RSGenuine Renault Camshaft Position Sensor – Clio 3 RS Ph2 & Megane 3 RS
                                                                                                                                              A key component for ignition and injection, this Genuine Renault Camshaft Position Sensor guarantees the accuracy of information transmitted to your sports car's ECU. Essential for the proper functioning of your Renault Clio 3 RS Phase 2, Clio 3 X85 Cup, and Renault Mégane 3 RS . Choose Manufacturer...
                                                                                                                                              €76.50Price
                                                                                                                                              Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                  Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                  €13.08Price
                                                                                                                                                  Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                      Kit joint torique pour régulateur de pression de rampe
                                                                                                                                                      €13.08Price
                                                                                                                                                      En Stock
                                                                                                                                                      €4.20 Price
                                                                                                                                                      En Stock
                                                                                                                                                      €4.20 Price
                                                                                                                                                      Prise de bobine
                                                                                                                                                          This replacement coil plug is designed to replace faulty original coil plugs on Renault Clio 3 RS, Megane 2 RS, Megane 3 RS, and Twingo 2 RS. It ensures a reliable connection and optimal performance of the ignition system.
                                                                                                                                                          €4.20Price
                                                                                                                                                          Prise de bobine
                                                                                                                                                              This replacement coil plug is designed to replace faulty original coil plugs on Renault Clio 3 RS, Megane 2 RS, Megane 3 RS, and Twingo 2 RS. It ensures a reliable connection and optimal performance of the ignition system.
                                                                                                                                                              €4.20Price
                                                                                                                                                              En Stock
                                                                                                                                                              €81.59 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €81.59 Price
                                                                                                                                                              Sonde lambda Clio 2 RS et X65 CupSonde lambda Clio 2 RS et X65 Cup
                                                                                                                                                                  Sonde lambda Clio 2 RS et X65 Cup Convient en Aval des Clio 172 et pour chacunes des sondes pour la 182
                                                                                                                                                                  €81.59Price
                                                                                                                                                                  Sonde lambda Clio 2 RS et X65 CupSonde lambda Clio 2 RS et X65 Cup
                                                                                                                                                                      Sonde lambda Clio 2 RS et X65 Cup Convient en Aval des Clio 172 et pour chacunes des sondes pour la 182
                                                                                                                                                                      €81.59Price
                                                                                                                                                                      Borne positive batterie Megane 3 RS et N4
                                                                                                                                                                          Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                                                                                          €10.58Price
                                                                                                                                                                          Borne positive batterie Megane 3 RS et N4
                                                                                                                                                                              Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                                                                                                              €10.58Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €21.91 €31.30 Regular price -30% off Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €21.91 €31.30 Regular price -30% off Price
                                                                                                                                                                              Bougie origine Megane 4 GT 205Bougie origine Megane 4 GT 205
                                                                                                                                                                                  Bougie origine Megane 4 GT 205 Vendue à l'unité
                                                                                                                                                                                  €21.91€31.30Regular price-30% offPrice
                                                                                                                                                                                  Bougie origine Megane 4 GT 205Bougie origine Megane 4 GT 205
                                                                                                                                                                                      Bougie origine Megane 4 GT 205 Vendue à l'unité
                                                                                                                                                                                      €21.91€31.30Regular price-30% offPrice