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: Entretien
En Stock
€0.70 Price
En Stock
€0.70 Price
Vis fixation carter huile courte Twingo 2 RS
      Short Oil Sump Mounting Bolt – Renault Twingo 2 RS The short oil sump mounting bolt, reference 8200635079 , is a fastening component designed for the oil sump assembly of the Renault Twingo 2...
      €0.70Price
      Vis fixation carter huile courte Twingo 2 RS
          Short Oil Sump Mounting Bolt – Renault Twingo 2 RS The short oil sump mounting bolt, reference 8200635079 , is a fastening component designed for the oil sump assembly of the Renault Twingo 2...
          €0.70Price
          En Stock
          €1.52 Price
          En Stock
          €1.52 Price
          Vis fixation plénum sur collecteur Twingo 2 RS
              Vis fixation plénum sur collecteur Twingo 2 RS Vis H embase M6-28 CL:8.8 Référence: 7703002662-7703002559-7707002022
              €1.52Price
              Vis fixation plénum sur collecteur Twingo 2 RS
                  Vis fixation plénum sur collecteur Twingo 2 RS Vis H embase M6-28 CL:8.8 Référence: 7703002662-7703002559-7707002022
                  €1.52Price
                  En Stock
                  €1.52 Price
                  En Stock
                  €1.52 Price
                  Vis H embase M6-19 CL:8.8Vis H embase M6-19 CL:8.8
                      Vis H embase M6-19 CL:8.8 Pour fixation guide jauge (par exemple) Référence: 7703002659-7703002660-7703008215-681988703R
                      €1.52Price
                      Vis H embase M6-19 CL:8.8Vis H embase M6-19 CL:8.8
                          Vis H embase M6-19 CL:8.8 Pour fixation guide jauge (par exemple) Référence: 7703002659-7703002660-7703008215-681988703R
                          €1.52Price
                          Entretoise galet enrouleur courroie distribution Twingo 2 RSEntretoise galet enrouleur courroie distribution Twingo 2 RS
                              Entretoise galet enrouleur courroie distribution Twingo 2 RS Référence: 7700109369-119313155R
                              €4.27Price
                              Entretoise galet enrouleur courroie distribution Twingo 2 RSEntretoise galet enrouleur courroie distribution Twingo 2 RS
                                  Entretoise galet enrouleur courroie distribution Twingo 2 RS Référence: 7700109369-119313155R
                                  €4.27Price
                                  En Stock
                                  €1.08 Price
                                  En Stock
                                  €1.08 Price
                                  Agrafe support sonde lambda Megane 3 RS et N4Agrafe support sonde lambda Megane 3 RS et N4
                                      Agrafe support sonde lambda Megane 3 RS et N4 Référence: 7703079452
                                      €1.08Price
                                      Agrafe support sonde lambda Megane 3 RS et N4Agrafe support sonde lambda Megane 3 RS et N4
                                          Agrafe support sonde lambda Megane 3 RS et N4 Référence: 7703079452
                                          €1.08Price
                                          Support electrovanne purge canister Megane 3 RS et N4Support electrovanne purge canister Megane 3 RS et N4
                                              Support electrovanne purge canister Megane 3 RS et N4 Référence: 8200929275
                                              €7.72Price
                                              Support electrovanne purge canister Megane 3 RS et N4Support electrovanne purge canister Megane 3 RS et N4
                                                  Support electrovanne purge canister Megane 3 RS et N4 Référence: 8200929275
                                                  €7.72Price
                                                  Joint de flasque support bague de vilebrequin Twingo RS et Wind
                                                      Joint de flasque support bague de vilebrequin Twingo RS et Wind Référence: 8200182129
                                                      €9.72Price
                                                      Joint de flasque support bague de vilebrequin Twingo RS et Wind
                                                          Joint de flasque support bague de vilebrequin Twingo RS et Wind Référence: 8200182129
                                                          €9.72Price
                                                          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
                                                                  Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                      Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                      €25.51Price
                                                                      Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                          Couvercle protection boitier éléctronique Megane 3 RS et N4
                                                                          €25.51Price
                                                                          Jauge à huile électronique Clio 3 RS - Megane 2 RS
                                                                              Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
                                                                              €98.82Price
                                                                              Jauge à huile électronique Clio 3 RS - Megane 2 RS
                                                                                  Do you own a Renault Clio 3 RS or a Renault Megane 2 RS and worry about not having a clear and reliable view of your sports engine's oil level? Does the lack of precise information on your dashboard stress you out before every track session or dynamic drive? Don't let doubt linger any longer! This original RENAULT electronic oil level gauge ...
                                                                                  €98.82Price
                                                                                  En Stock
                                                                                  €53.98 €63.50 Regular price -15% off Price
                                                                                  En Stock
                                                                                  €53.98 €63.50 Regular price -15% off Price
                                                                                  Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110
                                                                                    • On sale!
                                                                                    Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
                                                                                    €53.98€63.50Regular price-15% offPrice
                                                                                    Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110Castrol EDGE 0w40 RN17RSA Oil - Renault Clio 4 RS, Megane 4 RS, Alpine A110
                                                                                      • On sale!
                                                                                      Preserve the raw output, responsiveness, and longevity of your modern turbocharged engine with Castrol EDGE 5L 0w40 RN17RSA motor oil . Explicitly formulated under factory reference 7711943670 to meet the strict engineering approval demands of Renault Sport...
                                                                                      €53.98€63.50Regular price-15% offPrice
                                                                                      En Stock
                                                                                      €14.65 Price
                                                                                      En Stock
                                                                                      €14.65 Price
                                                                                      Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                                                                                          Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                                                                                          €14.65Price
                                                                                          Engine Oil Jet Renault Megane 3 RSEngine Oil Jet Renault Megane 3 RS
                                                                                              Engine Oil Jet – Renault Megane 3 RS Engine oil jet designed for compatible Renault Megane 3 RS applications. This component directs engine oil to specific areas of the engine to support lubrication and help manage operating temperatures. Check compatibility with your engine before ordering.
                                                                                              €14.65Price
                                                                                              En Stock
                                                                                              €19.99 Price
                                                                                              En Stock
                                                                                              €19.99 Price
                                                                                              Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                  Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                  €19.99Price
                                                                                                  Huile Motul Eighties 10w40 (bidon de 2L)
                                                                                                      Huile Motul Eighties 10w40 (bidon de 2L) Huile moteur semi-synthétique multigrade spécialement conçue pour les véhicules classiques, Modern Classic et Youngtimer des années 1970, 1980 et 1990 équipés de moteurs 4 Temps, Essence ou Diesel, atmosphériques, compressés ou turbocompressés, à injection ou carburateur, de ces décennies.
                                                                                                      €19.99Price
                                                                                                      Joint décanteur huile
                                                                                                          Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                          €39.17Price
                                                                                                          Joint décanteur huile
                                                                                                              Ensure a perfect seal for your engine's ventilation system with this genuine Renault oil decanter gasket . Essential for your Renault Clio 2 RS (excluding Phase 1), Clio 3 RS, Megane 2 RS, or Megane 3 RS , it prevents oil leaks, excessive consumption, and circuit clogging. Don't let a faulty gasket compromise the cleanliness and performance of your sports engine.
                                                                                                              €39.17Price
                                                                                                              Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                  Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                  €75.14Price
                                                                                                                  Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                      Pignon de vilebrequin claveté Twingo 2 RS y compris R1 et R2
                                                                                                                      €75.14Price
                                                                                                                      Dispo selon configuration
                                                                                                                      €122.26 €131.47 Regular price -7% off Price
                                                                                                                      Dispo selon configuration
                                                                                                                      €122.26 €131.47 Regular price -7% off Price
                                                                                                                      Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                                        • Pack
                                                                                                                        Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                        €122.26€131.47Regular price-7% offPrice
                                                                                                                        Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40Kit Vidange Motul 300V Clio 2 RS, Clio 3 RS  Megane 2 RS, Twingo 2 RS 5w40
                                                                                                                          • Pack
                                                                                                                          Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                          €122.26€131.47Regular price-7% offPrice
                                                                                                                          Dispo selon configuration
                                                                                                                          €127.52 €131.47 Regular price -3% off Price
                                                                                                                          Dispo selon configuration
                                                                                                                          €127.52 €131.47 Regular price -3% off Price
                                                                                                                          Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                            • Pack
                                                                                                                            Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                            €127.52€131.47Regular price-3% offPrice
                                                                                                                            Kit Vidange Motul 300V 15w50 Clio 16S/WilliamsKit Vidange Motul 300V 15w50 Clio 16S/Williams
                                                                                                                              • Pack
                                                                                                                              Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 15w50, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                              €127.52€131.47Regular price-3% offPrice
                                                                                                                              Dispo selon configuration
                                                                                                                              €127.52 €131.47 Regular price -3% off Price
                                                                                                                              Dispo selon configuration
                                                                                                                              €127.52 €131.47 Regular price -3% off Price
                                                                                                                              Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                                                                                                                • Pack
                                                                                                                                Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                €127.52€131.47Regular price-3% offPrice
                                                                                                                                Kit Vidange Motul 300V 10w40 Clio 16S/WilliamsKit Vidange Motul 300V 10w40 Clio 16S/Williams
                                                                                                                                  • Pack
                                                                                                                                  Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 10w40, 1 filtre à huile de marque Purflux et 1 joint bi matière de 16mm
                                                                                                                                  €127.52€131.47Regular price-3% offPrice
                                                                                                                                  Dispo selon configuration
                                                                                                                                  €121.94 €134.00 Regular price -9% off Price
                                                                                                                                  Dispo selon configuration
                                                                                                                                  €121.94 €134.00 Regular price -9% off Price
                                                                                                                                  Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                                                                                                    • Pack
                                                                                                                                    Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                                                                                                    €121.94€134.00Regular price-9% offPrice
                                                                                                                                    Kit Vidange Motul 300V Megane 3 RS 5w40Kit Vidange Motul 300V Megane 3 RS 5w40
                                                                                                                                      • Pack
                                                                                                                                      Kit Vidange Motul 300V comprenant 3 bidons de 2 Litres d'huile Motul 300V 5w40, 1 filtre à huile de marque Renault et 1 joint bi matière de 16mm
                                                                                                                                      €121.94€134.00Regular price-9% offPrice
                                                                                                                                      Joint de vidangeDrain Plug Seal Clio 4 RS / Mégane RS / Alpine A110
                                                                                                                                          Renault Sport and Alpine Engine Drain Plug Seal The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
                                                                                                                                          €2.92Price
                                                                                                                                          Joint de vidangeDrain Plug Seal Clio 4 RS / Mégane RS / Alpine A110
                                                                                                                                              Renault Sport and Alpine Engine Drain Plug Seal The engine drain plug seal , reference 1102601M02 , is a sealing component used at the engine oil drain...
                                                                                                                                              €2.92Price
                                                                                                                                              En Stock
                                                                                                                                              €8.52 €11.03 Regular price -€2.51 off Price
                                                                                                                                              En Stock
                                                                                                                                              €8.52 €11.03 Regular price -€2.51 off Price
                                                                                                                                              Filtre à huile Megane 3 RSFiltre à huile Megane 3 RS
                                                                                                                                                  The Mégane 3 RS oil filter provides optimal protection and performance for your engine, ensuring efficient filtration of impurities and long-lasting durability , even in the most demanding conditions.
                                                                                                                                                  €8.52€11.03Regular price-€2.51 offPrice
                                                                                                                                                  Filtre à huile Megane 3 RSFiltre à huile Megane 3 RS
                                                                                                                                                      The Mégane 3 RS oil filter provides optimal protection and performance for your engine, ensuring efficient filtration of impurities and long-lasting durability , even in the most demanding conditions.
                                                                                                                                                      €8.52€11.03Regular price-€2.51 offPrice
                                                                                                                                                      En Stock
                                                                                                                                                      €8.57 Price
                                                                                                                                                      En Stock
                                                                                                                                                      €8.57 Price
                                                                                                                                                      Joint de décanteur Clio 2 RS - Clio 3 RS
                                                                                                                                                          Joint de décanteur Clio 2 RS et Clio 3 RS Joint se trouvant entre le décanteur et le plenum
                                                                                                                                                          €8.57Price
                                                                                                                                                          Joint de décanteur Clio 2 RS - Clio 3 RS
                                                                                                                                                              Joint de décanteur Clio 2 RS et Clio 3 RS Joint se trouvant entre le décanteur et le plenum
                                                                                                                                                              €8.57Price
                                                                                                                                                              En Stock
                                                                                                                                                              €112.69 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €112.69 Price
                                                                                                                                                              Vis de Culasse (x10)
                                                                                                                                                                  Ensemble de vis de culasse pour Clio 3 RS, Megane 2 RS, Megane 3 RS, Clio 2 RS et Megane 2 RS Véritable produit d'origine
                                                                                                                                                                  €112.69Price
                                                                                                                                                                  Vis de Culasse (x10)
                                                                                                                                                                      Ensemble de vis de culasse pour Clio 3 RS, Megane 2 RS, Megane 3 RS, Clio 2 RS et Megane 2 RS Véritable produit d'origine
                                                                                                                                                                      €112.69Price
                                                                                                                                                                      En Stock
                                                                                                                                                                      €224.35 Price
                                                                                                                                                                      En Stock
                                                                                                                                                                      €224.35 Price
                                                                                                                                                                      Kit Joint Refection moteur Origine Clio 2 RS
                                                                                                                                                                          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                                                                                                                                                                          €224.35Price
                                                                                                                                                                          Kit Joint Refection moteur Origine Clio 2 RS
                                                                                                                                                                              Ensemble de joints nécéssaire au bon remontage du moteur de Clio 2 RS Véritable produit d'origine La photo ne comporte pas les joints spy d'arbres à cames mais ceux ci sont bien fournis
                                                                                                                                                                              €224.35Price
                                                                                                                                                                              Motul Engine Flush 300mL Pre-Oil Change for Sports Engines
                                                                                                                                                                                  Optimize your engine's health with Motul Engine Flush (300mL). This high-performance pre-oil change treatment is essential for removing deposits, sludge, and combustion residues before introducing fresh oil. Specially formulated for performance...
                                                                                                                                                                                  €10.75Price
                                                                                                                                                                                  Motul Engine Flush 300mL Pre-Oil Change for Sports Engines
                                                                                                                                                                                      Optimize your engine's health with Motul Engine Flush (300mL). This high-performance pre-oil change treatment is essential for removing deposits, sludge, and combustion residues before introducing fresh oil. Specially formulated for performance...
                                                                                                                                                                                      €10.75Price
                                                                                                                                                                                      En Stock
                                                                                                                                                                                      €277.74 €396.77 Regular price -30% off Price
                                                                                                                                                                                      En Stock
                                                                                                                                                                                      €277.74 €396.77 Regular price -30% off Price
                                                                                                                                                                                      Embrayage Complet Origine Megane 3 RS
                                                                                                                                                                                          Renault Mégane 3 RS Clutch Kit (Genuine) Replace your worn clutch with this genuine Renault kit, designed specifically for the Mégane 3 RS (all versions). Ensures optimal transmission and durable performance. Essential for maintaining your sports vehicle's performance.
                                                                                                                                                                                          €277.74€396.77Regular price-30% offPrice
                                                                                                                                                                                          Embrayage Complet Origine Megane 3 RS
                                                                                                                                                                                              Renault Mégane 3 RS Clutch Kit (Genuine) Replace your worn clutch with this genuine Renault kit, designed specifically for the Mégane 3 RS (all versions). Ensures optimal transmission and durable performance. Essential for maintaining your sports vehicle's performance.
                                                                                                                                                                                              €277.74€396.77Regular price-30% offPrice