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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: Préparation intérieure
En Stock
€81.02 €202.56 Regular price -60% off Price
En Stock
€81.02 €202.56 Regular price -60% off Price
Electrovanne décalage (dephaseur) arbre à cames Clio 2 RSGenuine Renault Clio 2 RS 2.0L F4R VVT Solenoid (8200831629)
      Do not risk power loss and unstable idling on your Clio 2 RS . The Genuine Renault VVT Solenoid (Part Number 8200831629 ) is essential for the proper functioning of your 2.0L 16V F4R engine . This genuine part guarantees the precise management of variable valve timing ,...
      €81.02€202.56Regular price-60% offPrice
      Electrovanne décalage (dephaseur) arbre à cames Clio 2 RSGenuine Renault Clio 2 RS 2.0L F4R VVT Solenoid (8200831629)
          Do not risk power loss and unstable idling on your Clio 2 RS . The Genuine Renault VVT Solenoid (Part Number 8200831629 ) is essential for the proper functioning of your 2.0L 16V F4R engine . This genuine part guarantees the precise management of variable valve timing ,...
          €81.02€202.56Regular price-60% offPrice
          En Stock
          €164.00 Price
          En Stock
          €164.00 Price
          Support Alternateur et pompe de DA 7700273712Support Alternateur et pompe de DA 7700273712
              Support Alternateur et pompe de DA 7700273712 Produit destiné à la Clio 2 Cup Rally equipé de 1.6 16v Ne convient pas au F4R
              €164.00Price
              Support Alternateur et pompe de DA 7700273712Support Alternateur et pompe de DA 7700273712
                  Support Alternateur et pompe de DA 7700273712 Produit destiné à la Clio 2 Cup Rally equipé de 1.6 16v Ne convient pas au F4R
                  €164.00Price
                  En Stock
                  €3.55 Price
                  En Stock
                  €3.55 Price
                  Demi-cône de soupape admission EVO 2013 Twingo R2
                      Demi-cône de soupape admission EVO 2013 Twingo R2 Référence: 7711167705
                      €3.55Price
                      Demi-cône de soupape admission EVO 2013 Twingo R2
                          Demi-cône de soupape admission EVO 2013 Twingo R2 Référence: 7711167705
                          €3.55Price
                          En Stock
                          €14.68 Price
                          En Stock
                          €14.68 Price
                          Mamelon filtre à huileWater/Oil Heat Exchanger Nipple Clio 3 RS - Original
                              The original Renault water/oil heat exchanger nipple is an essential part to ensure optimal circulation of cooling and oil fluids in your Renault Clio 3 RS . It guarantees a stable engine temperature and optimal performance. We ship worldwide.
                              €14.68Price
                              Mamelon filtre à huileWater/Oil Heat Exchanger Nipple Clio 3 RS - Original
                                  The original Renault water/oil heat exchanger nipple is an essential part to ensure optimal circulation of cooling and oil fluids in your Renault Clio 3 RS . It guarantees a stable engine temperature and optimal performance. We ship worldwide.
                                  €14.68Price
                                  Culasse K4M 7701478763Genuine Renault New Bare Cylinder Head - K4M Engine Twingo 2 RS & R1 (Ref. 7701478763)
                                      The genuine Renault new bare cylinder head (reference 7701478763 ) is the solution for major engine problems in your Renault Twingo 2 RS or Twingo R1 . Specifically designed for the K4M engine , this new part is the only option for a reliable repair after overheating or a timing belt failure. Don't risk multiple breakdowns by choosing a used or repaired...
                                      €1,258.87Price
                                      Culasse K4M 7701478763Genuine Renault New Bare Cylinder Head - K4M Engine Twingo 2 RS & R1 (Ref. 7701478763)
                                          The genuine Renault new bare cylinder head (reference 7701478763 ) is the solution for major engine problems in your Renault Twingo 2 RS or Twingo R1 . Specifically designed for the K4M engine , this new part is the only option for a reliable repair after overheating or a timing belt failure. Don't risk multiple breakdowns by choosing a used or repaired...
                                          €1,258.87Price
                                          En Stock
                                          €11.53 Price
                                          En Stock
                                          €11.53 Price
                                          Demi coussinet rouge inf ligne arbre Twingo 2 RS
                                              Demi coussinet rouge inf ligne arbre Twingo 2 RS Référence: 8200859991-8200859999-122239522R
                                              €11.53Price
                                              Demi coussinet rouge inf ligne arbre Twingo 2 RS
                                                  Demi coussinet rouge inf ligne arbre Twingo 2 RS Référence: 8200859991-8200859999-122239522R
                                                  €11.53Price
                                                  Demi coussinet jaune bielle Twingo RS K4M 854
                                                      Do not let invisible wear condemn your K4M engine block. This genuine Renault connecting rod bearing shell ( Yellow mark) is the critical component required to maintain oil pressure and the integrity of your rotating assembly. Specifically designed for the Renault Twingo 2 RS , as well as the Twingo R1 and Twingo R2...
                                                      €6.13Price
                                                      Demi coussinet jaune bielle Twingo RS K4M 854
                                                          Do not let invisible wear condemn your K4M engine block. This genuine Renault connecting rod bearing shell ( Yellow mark) is the critical component required to maintain oil pressure and the integrity of your rotating assembly. Specifically designed for the Renault Twingo 2 RS , as well as the Twingo R1 and Twingo R2...
                                                          €6.13Price
                                                          En Stock
                                                          €11.53 Price
                                                          En Stock
                                                          €11.53 Price
                                                          Demi coussinet noir ligne arbre Twingo R2Demi coussinet noir ligne arbre Twingo R2
                                                              Demi coussinet noir ligne arbre Twingo R2 Référence: 8200859982-8200019804
                                                              €11.53Price
                                                              Demi coussinet noir ligne arbre Twingo R2Demi coussinet noir ligne arbre Twingo R2
                                                                  Demi coussinet noir ligne arbre Twingo R2 Référence: 8200859982-8200019804
                                                                  €11.53Price
                                                                  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
                                                                                  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
                                                                                                      €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
                                                                                                              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
                                                                                                                      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
                                                                                                                                      Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                                                                          Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                                                                          €14.65Price
                                                                                                                                          Gicleur Piston 1-3 Clio 2 RS 182 et Clio 3 RS
                                                                                                                                              Protect the lower F4R engine of your Clio 2 RS 182, Clio 3 RS, or Megane 2 RS with this genuine Renault oil sprayer (oil jet) for cylinders 1 and 3. A critical component for piston cooling and lubrication, it guarantees the reliability and longevity of your engine. Don't neglect the protection of your F4R.
                                                                                                                                              €14.65Price
                                                                                                                                              En Stock
                                                                                                                                              €178.20 Price
                                                                                                                                              En Stock
                                                                                                                                              €178.20 Price
                                                                                                                                              Plaque reniflard Clio 2 RS 172
                                                                                                                                                  Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                                                                  €178.20Price
                                                                                                                                                  Plaque reniflard Clio 2 RS 172
                                                                                                                                                      Plaque de reniflard taillé massé venant en lieu et place de la plaque d'origine Ajout un raccord Dash permettant de venir connecter directement un recuperateur de vapeur d'huile. Cette piece est un serieux atout pour les véhicules ayant modifié le collecteur d'admission d'origine. Produit a completer avec un joint Loctite 5980.
                                                                                                                                                      €178.20Price
                                                                                                                                                      En Stock
                                                                                                                                                      €11.53 Price
                                                                                                                                                      En Stock
                                                                                                                                                      €11.53 Price
                                                                                                                                                      Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                                          Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                                          €11.53Price
                                                                                                                                                          Demi coussinet rainurés jaune vilebrequin K4M 854Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                                              Demi coussinet rainurés jaune vilebrequin K4M 854
                                                                                                                                                              €11.53Price
                                                                                                                                                              En Stock
                                                                                                                                                              €133.39 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €133.39 Price
                                                                                                                                                              Joint de Culasse Cometic Clio 16S /WilliamsJoint de Culasse Cometic Clio 16S /Williams
                                                                                                                                                                  Joint de culasse Cometic. Haute résistance. Alesage 83 mm , Epaisseur 0.76 Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. Nous contacter pour connaitre les épaisseurs possibles D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                                  €133.39Price
                                                                                                                                                                  Joint de Culasse Cometic Clio 16S /WilliamsJoint de Culasse Cometic Clio 16S /Williams
                                                                                                                                                                      Joint de culasse Cometic. Haute résistance. Alesage 83 mm , Epaisseur 0.76 Composés de trois feuilles d'acier inoxydable pour améliorer la solidité et la résistance à la corrosion. Nous contacter pour connaitre les épaisseurs possibles D'autres alesages et épaisseur disponibles, nous contacter.
                                                                                                                                                                      €133.39Price
                                                                                                                                                                      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
                                                                                                                                                                              Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                  Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                  €265.93Price
                                                                                                                                                                                  Carter Huile Clio 3 RS - Megane 3 RS - Megane 2 RSOEM Renault Oil Pan - Clio 3 RS, Megane 2 RS, Megane 3 RS
                                                                                                                                                                                      Don't gamble with your engine's lubrication. This genuine Renault OEM oil pan is the only component that guarantees a perfect seal and thermal resistance meeting the strict requirements of your Renault Clio 3 RS , Megane 2 RS , or Megane 3 RS . By choosing this certified part, you avoid micro-cracks and warping issues common in...
                                                                                                                                                                                      €265.93Price
                                                                                                                                                                                      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
                                                                                                                                                                                              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
                                                                                                                                                                                                      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
                                                                                                                                                                                                              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