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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: Circuit d'eau
  • Categories: Préparation intérieure
Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
      Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
      €17.09Price
      Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2Bague étanchéité électrovanne déphasage Twingo RS, R1 et R2
          Bague étanchéité électrovanne de déphasage Twingo RS, R1 et R2
          €17.09Price
          En Stock
          €279.71 Price
          En Stock
          €279.71 Price
          Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
              Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
              €279.71Price
              Kit 11 Durites Silicone Super 5 GT TURBO Ph 2Kit 11 Durites Silicone Super 5 GT TURBO Ph 2
                  Kit de 11 Durites Silicones pour Super 5 GT Turbo Phase 2 Noir mat afin de rester dans l'esprit d'origine de la voiture Parfait pour une restoration
                  €279.71Price
                  En Stock
                  €221.33 Price
                  En Stock
                  €221.33 Price
                  Radiator Outlet Water Hose Renault Megane 3 RSRadiator Outlet Water Hose Renault Megane 3 RS
                      Genuine Renault Radiator Outlet Water Hose for Renault Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                      €221.33Price
                      Radiator Outlet Water Hose Renault Megane 3 RSRadiator Outlet Water Hose Renault Megane 3 RS
                          Genuine Renault Radiator Outlet Water Hose for Renault Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                          €221.33Price
                          En Stock
                          €122.00 Price
                          En Stock
                          €122.00 Price
                          ARP Uprated Rod Bolts | Renault Clio & Megane RS
                              Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                              €122.00Price
                              ARP Uprated Rod Bolts | Renault Clio & Megane RS
                                  Protect your bottom end assembly against high-RPM failure with this premium Uprated ARP Rod Bolts Kit for Renault Clio 16S, Williams, Clio 2 3 RS, and Megane 2 3 RS , commercialized under the international part number ARP-216-6301 . Forged from premium ARP...
                                  €122.00Price
                                  Vis Fixation Volant Moteur
                                      Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                      €5.64Price
                                      Vis Fixation Volant Moteur
                                          Secure the transmission of power from your crankshaft to your clutch assembly with this heavy-duty Flywheel Fixing Bolt for the Renault Clio 16S, Williams, Clio 2 RS, and Clio 3 RS . This high-tensile specialist hardware is critical to enduring harsh rev matches and the...
                                          €5.64Price
                                          En Stock
                                          €70.25 Price
                                          En Stock
                                          €70.25 Price
                                          Blue Crankshaft Half-Bearing Set
                                              Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                                              €70.25Price
                                              Blue Crankshaft Half-Bearing Set
                                                  Blue Crankshaft Half-Bearing Set This blue crankshaft half-bearing set is designed for engine applications requiring compatible crankshaft bearing components. Before ordering, check the engine specification and the manufacturer's references to ensure correct fitment.
                                                  €70.25Price
                                                  Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                      Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                      €117.43Price
                                                      Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                          Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                          €117.43Price
                                                          Electrovanne décalage arbre à cames (dephasage) Clio 3 RS phase 2 et Cup X85 et Megane 3 RS
                                                              Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
                                                              €202.56Price
                                                              Electrovanne décalage arbre à cames (dephasage) Clio 3 RS phase 2 et Cup X85 et Megane 3 RS
                                                                  Camshaft Phasing Solenoid Valve : genuine RENAULT part essential for the proper function and engine performance of your Renault Clio 3 RS Phase 2 and Renault Megane 3 RS . A faulty component leads to power loss and unstable idling. Ensures optimal...
                                                                  €202.56Price
                                                                  En Stock
                                                                  €174.00 Price
                                                                  En Stock
                                                                  €174.00 Price
                                                                  Joint de Culasse renforcé Cometic Megane 3 RS 1.7Joint de Culasse renforcé Cometic Megane 3 RS 1.7
                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                      €174.00Price
                                                                      Joint de Culasse renforcé Cometic Megane 3 RS 1.7Joint de Culasse renforcé Cometic Megane 3 RS 1.7
                                                                          Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.7 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                          €174.00Price
                                                                          Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                              Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                              €831.29Price
                                                                              Collection de 48 grains de réglage soupapes Twingo R2 195-205
                                                                                  Collection de 48 grains de réglage soupapes Twingo R2 195-205 7711167645
                                                                                  €831.29Price
                                                                                  Poulie accessoire filtrante (damper) Twingo RS, R1 et R2Poulie accessoire filtrante (damper) Twingo RS, R1 et R2
                                                                                      Poulie accessoire filtrante Twingo RS, R1 et R2 7711167301
                                                                                      €127.10Price
                                                                                      Poulie accessoire filtrante (damper) Twingo RS, R1 et R2Poulie accessoire filtrante (damper) Twingo RS, R1 et R2
                                                                                          Poulie accessoire filtrante Twingo RS, R1 et R2 7711167301
                                                                                          €127.10Price
                                                                                          En Stock
                                                                                          €211.80 Price
                                                                                          En Stock
                                                                                          €211.80 Price
                                                                                          Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                                              Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                                              €211.80Price
                                                                                              Pompe à huileRenault Sport Oil Pump - Clio 2/3 RS & Megane 2/3 RS
                                                                                                  Secure your engine block's lubrication with this high-performance oil pump for Renault 2.0L engines. Essential for maintaining constant oil pressure, it is compatible with Clio 2 RS , Clio 3 RS , as well as X65 Cup ,...
                                                                                                  €211.80Price
                                                                                                  Vis de bielle origine
                                                                                                      Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                                                                      €8.56Price
                                                                                                      Vis de bielle origine
                                                                                                          Secure your performance engine's bottom end with this genuine RENAULT connecting rod bolt , sold individually. Engineered to withstand high RPMs, it is essential for the maintenance and personalization of Clio 2 RS , Clio 3 RS , Megane 2/3 RS , and Clio Williams ...
                                                                                                          €8.56Price
                                                                                                          En Stock
                                                                                                          €3.16 Price
                                                                                                          En Stock
                                                                                                          €3.16 Price
                                                                                                          Clip maintien support linguet Twingo R2 195/205
                                                                                                              Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                                                                                              €3.16Price
                                                                                                              Clip maintien support linguet Twingo R2 195/205
                                                                                                                  Clip maintien support linguet Twingo R2 195/205 Référence: 7711167614
                                                                                                                  €3.16Price
                                                                                                                  Durite modine/radiateur Clio 2 Cup
                                                                                                                      The Renault Sport water hose (ref. 7711154249 ) is an essential part to ensure optimal coolant circulation between the water/oil heat exchanger and the radiator of your Renault Clio 2 X65 Cup . It guarantees a stable engine temperature and optimal performance.
                                                                                                                      €77.62Price
                                                                                                                      Durite modine/radiateur Clio 2 Cup
                                                                                                                          The Renault Sport water hose (ref. 7711154249 ) is an essential part to ensure optimal coolant circulation between the water/oil heat exchanger and the radiator of your Renault Clio 2 X65 Cup . It guarantees a stable engine temperature and optimal performance.
                                                                                                                          €77.62Price
                                                                                                                          En Stock
                                                                                                                          €689.93 Price
                                                                                                                          En Stock
                                                                                                                          €689.93 Price
                                                                                                                          Durite inférieure radiateur Clio 2 Rs et Cup
                                                                                                                              Durite inférieure radiateur Clio 2 Cup Référence: 7711155360
                                                                                                                              €689.93Price
                                                                                                                              Durite inférieure radiateur Clio 2 Rs et Cup
                                                                                                                                  Durite inférieure radiateur Clio 2 Cup Référence: 7711155360
                                                                                                                                  €689.93Price
                                                                                                                                  En Stock
                                                                                                                                  €174.00 Price
                                                                                                                                  En Stock
                                                                                                                                  €174.00 Price
                                                                                                                                  Joint de Culasse renforcé Cometic Megane 3 RS 1.9Joint de Culasse renforcé Cometic Megane 3 RS 1.9
                                                                                                                                      Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.9 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                      €174.00Price
                                                                                                                                      Joint de Culasse renforcé Cometic Megane 3 RS 1.9Joint de Culasse renforcé Cometic Megane 3 RS 1.9
                                                                                                                                          Joint de culasse Cometic. Alésage du joint 83mm épaisseur du joint 1.9 mm Haute résistance. Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                          €174.00Price
                                                                                                                                          Durites de Reniflard et Wasegate Megane 2 RS
                                                                                                                                              Durites De reniflard Renforcées pour toutes Megane 2 RS. Produit de la marque Samco Sport Le kit est composé de 4 pièces.
                                                                                                                                              €82.00Price
                                                                                                                                              Durites de Reniflard et Wasegate Megane 2 RS
                                                                                                                                                  Durites De reniflard Renforcées pour toutes Megane 2 RS. Produit de la marque Samco Sport Le kit est composé de 4 pièces.
                                                                                                                                                  €82.00Price
                                                                                                                                                  Kit Complet Durites D'eau Clio 3 RSKit Complet Durites D'eau Clio 3 RS
                                                                                                                                                      Kit complet de durites d'eau pour Clio 3 RS. Convient à toutes les Clio 3 RS Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
                                                                                                                                                      €445.18Price
                                                                                                                                                      Kit Complet Durites D'eau Clio 3 RSKit Complet Durites D'eau Clio 3 RS
                                                                                                                                                          Kit complet de durites d'eau pour Clio 3 RS. Convient à toutes les Clio 3 RS Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
                                                                                                                                                          €445.18Price
                                                                                                                                                          En Stock
                                                                                                                                                          €105.52 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €105.52 Price
                                                                                                                                                          Pompe à eau K4M Twingo Rs R1 et R2
                                                                                                                                                              Pompe à eau K4M Twingo RS R1 et R2 Référence: 8200582675 Pompe à eau équipé de la poulie métallique, et non de la version en plastique moins fiable.
                                                                                                                                                              €105.52Price
                                                                                                                                                              Pompe à eau K4M Twingo Rs R1 et R2
                                                                                                                                                                  Pompe à eau K4M Twingo RS R1 et R2 Référence: 8200582675 Pompe à eau équipé de la poulie métallique, et non de la version en plastique moins fiable.
                                                                                                                                                                  €105.52Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €1,326.07 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €1,326.07 Price
                                                                                                                                                                  AAC Admission loi 286TR2A2 Twingo R2 205
                                                                                                                                                                      AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
                                                                                                                                                                      €1,326.07Price
                                                                                                                                                                      AAC Admission loi 286TR2A2 Twingo R2 205
                                                                                                                                                                          AAC Admission loi 286TR2A2 Twingo R2 205 Référence: 7711167674
                                                                                                                                                                          €1,326.07Price
                                                                                                                                                                          Genuine RENAULT Oil Drain Plug - All Clio/Mégane RS Models
                                                                                                                                                                              Protect your engine against critical leaks! Replace your genuine oil drain plug with this RENAULT reference, essential for all Clio RS , Mégane RS models and competition derivatives (Gr N, R3, X85 Cup). A quality screw guarantees the seal of the oil pan (sump), preventing a ...
                                                                                                                                                                              €4.72Price
                                                                                                                                                                              Genuine RENAULT Oil Drain Plug - All Clio/Mégane RS Models
                                                                                                                                                                                  Protect your engine against critical leaks! Replace your genuine oil drain plug with this RENAULT reference, essential for all Clio RS , Mégane RS models and competition derivatives (Gr N, R3, X85 Cup). A quality screw guarantees the seal of the oil pan (sump), preventing a ...
                                                                                                                                                                                  €4.72Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €198.25 Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €198.25 Price
                                                                                                                                                                                  Kit Joint Refection moteur Origine Clio 3 RS
                                                                                                                                                                                      Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                                                                                                                      €198.25Price
                                                                                                                                                                                      Kit Joint Refection moteur Origine Clio 3 RS
                                                                                                                                                                                          Ensemble de joints nécéssaire au bon remontage du moteur de Clio 3 RS Véritable produit d'origine
                                                                                                                                                                                          €198.25Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €47.34 Price
                                                                                                                                                                                          En Stock
                                                                                                                                                                                          €47.34 Price
                                                                                                                                                                                          Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                                                                                                                                                              Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                                                                                                                                                              €47.34Price
                                                                                                                                                                                              Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2Genuine Renault Exhaust Valve Twingo 2 RS/R1/R2
                                                                                                                                                                                                  Genuine Renault Exhaust Valve - Twingo 2 RS, Twingo R1, Twingo R2 160hp Authentic Renault exhaust valve, ensuring optimal sealing and performance. Specific replacement part for Renault Twingo 2 RS, Twingo R1, and Twingo R2 160hp models. Contributes to proper engine operation and efficient exhaust gas...
                                                                                                                                                                                                  €47.34Price
                                                                                                                                                                                                  Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                                                                                                                                                                                      Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                                                                                                                                                                                      €20.87Price
                                                                                                                                                                                                      Joint spy Vilebrequin côté distribution R21 turboRenault Crankshaft Oil Seal, Timing Side - Formula Renault / Renault 21 2L Turbo
                                                                                                                                                                                                          Renault Crankshaft Oil Seal, Timing Side - Formula Renault / R21 2L Turbo Ensure your engine's sealing with this original Renault crankshaft oil seal. Designed for Formula Renault and Renault 21 2L Turbo, it prevents oil leaks and guarantees your engine's longevity. Original Renault Part Crankshaft oil seal, timing side ...
                                                                                                                                                                                                          €20.87Price