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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.

Active filters

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
          En Stock
          €66.99 Price
          En Stock
          €66.99 Price
          Injecteur Clio 3 RS et X85 Cup
              The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
              €66.99Price
              Injecteur Clio 3 RS et X85 Cup
                  The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                  €66.99Price
                  En Stock
                  €99.36 Price
                  En Stock
                  €99.36 Price
                  Coussinets bielle ( X48 ) Clio 2 RS Mégane 2 RSCoussinets bielle ( X48 ) Clio 2 RS Mégane 2 RS
                      Coussinets bielle ( X=48 ) Le prix est pour 8 Produit remplacé, vous trouverez le produit de remplacement ci dessous ⬇️
                      €99.36Price
                      Coussinets bielle ( X48 ) Clio 2 RS Mégane 2 RSCoussinets bielle ( X48 ) Clio 2 RS Mégane 2 RS
                          Coussinets bielle ( X=48 ) Le prix est pour 8 Produit remplacé, vous trouverez le produit de remplacement ci dessous ⬇️
                          €99.36Price
                          Chape fixation de biellette anti-couple sur BV Twingo R2
                              Chape fixation de biellette anti-couple sur BV Twingo R2 Référence: 7711162665
                              €52.85Price
                              Chape fixation de biellette anti-couple sur BV Twingo R2
                                  Chape fixation de biellette anti-couple sur BV Twingo R2 Référence: 7711162665
                                  €52.85Price
                                  En Stock
                                  €31.72 Price
                                  En Stock
                                  €31.72 Price
                                  Raccord anti-retour admission Ø6 G1/8 Megane N4
                                      Raccord anti-retour admission Ø6 G1/8 Megane N4 Référence: 7711167208
                                      €31.72Price
                                      Raccord anti-retour admission Ø6 G1/8 Megane N4
                                          Raccord anti-retour admission Ø6 G1/8 Megane N4 Référence: 7711167208
                                          €31.72Price
                                          En Stock
                                          €71.77 Price
                                          En Stock
                                          €71.77 Price
                                          Support Alu boite de vitesse Clio 2 RS et Gr NSupport Alu boite de vitesse Clio 2 RS et Gr N
                                              Support Alu boite de vitesse Clio 2 RS et Gr N Vendu sans les vis
                                              €71.77Price
                                              Support Alu boite de vitesse Clio 2 RS et Gr NSupport Alu boite de vitesse Clio 2 RS et Gr N
                                                  Support Alu boite de vitesse Clio 2 RS et Gr N Vendu sans les vis
                                                  €71.77Price
                                                  Genuine Renault Black Rod Bearing 8200201580 Twingo 2 RSGenuine Renault Black Rod Bearing 8200201580 Twingo 2 RS
                                                      Do not compromise the survival of your high-performance K4M engine. This genuine Renault connecting rod bearing shell (reference 8200201580 ), identified by the black mark , is the key component to restore optimal operating clearance in your rotating assembly. Specifically designed for the Renault Twingo 2 RS , as well as the...
                                                      €6.13Price
                                                      Genuine Renault Black Rod Bearing 8200201580 Twingo 2 RSGenuine Renault Black Rod Bearing 8200201580 Twingo 2 RS
                                                          Do not compromise the survival of your high-performance K4M engine. This genuine Renault connecting rod bearing shell (reference 8200201580 ), identified by the black mark , is the key component to restore optimal operating clearance in your rotating assembly. Specifically designed for the Renault Twingo 2 RS , as well as the...
                                                          €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
                                                                  Crankshaft Half Bearing Renault K4M Black (Original)Crankshaft Half Bearing Renault K4M Black (Original)
                                                                      Crankshaft Half Bearing Renault K4M Black (Original) Original Renault crankshaft half bearing, reference 8200859988, color code "black". Compatible with K4M engine (Renault Twingo 2 RS). Ensure your engine's longevity. Discover complementary products at the bottom of the page.
                                                                      €11.53Price
                                                                      Crankshaft Half Bearing Renault K4M Black (Original)Crankshaft Half Bearing Renault K4M Black (Original)
                                                                          Crankshaft Half Bearing Renault K4M Black (Original) Original Renault crankshaft half bearing, reference 8200859988, color code "black". Compatible with K4M engine (Renault Twingo 2 RS). Ensure your engine's longevity. Discover complementary products at the bottom of the page.
                                                                          €11.53Price
                                                                          En Stock
                                                                          €20.14 Price
                                                                          En Stock
                                                                          €20.14 Price
                                                                          Entretoise pour axe biellette sur BV Clio Gr N
                                                                              Entretoise pour axe biellette sur BV Clio Gr N Référence: 7711129595
                                                                              €20.14Price
                                                                              Entretoise pour axe biellette sur BV Clio Gr N
                                                                                  Entretoise pour axe biellette sur BV Clio Gr N Référence: 7711129595
                                                                                  €20.14Price
                                                                                  Entretoise biellette anti-couple semi rigide Clio Gr N
                                                                                      Entretoise biellette anti-couple semi rigide Clio Gr N 7711129674
                                                                                      €10.88Price
                                                                                      Entretoise biellette anti-couple semi rigide Clio Gr N
                                                                                          Entretoise biellette anti-couple semi rigide Clio Gr N 7711129674
                                                                                          €10.88Price
                                                                                          Support tampon moteur av gauche Twingo RS et R1 (sous batterie)
                                                                                              The Genuine Renault gearbox mount for your Twingo 2 RS is a crucial, often overlooked, part that directly impacts transmission precision and onboard comfort . This mount (also called the battery tray ) ensures the rigid support of the gearbox. By choosing the...
                                                                                              €107.81Price
                                                                                              Support tampon moteur av gauche Twingo RS et R1 (sous batterie)
                                                                                                  The Genuine Renault gearbox mount for your Twingo 2 RS is a crucial, often overlooked, part that directly impacts transmission precision and onboard comfort . This mount (also called the battery tray ) ensures the rigid support of the gearbox. By choosing the...
                                                                                                  €107.81Price
                                                                                                  En Stock
                                                                                                  €12.37 Price
                                                                                                  En Stock
                                                                                                  €12.37 Price
                                                                                                  Vis H M14X200-110 recoupée à 92 Megane N4
                                                                                                      Vis H M14X200-110 recoupée à 92 Megane N4 Référence: 7711167022
                                                                                                      €12.37Price
                                                                                                      Vis H M14X200-110 recoupée à 92 Megane N4
                                                                                                          Vis H M14X200-110 recoupée à 92 Megane N4 Référence: 7711167022
                                                                                                          €12.37Price
                                                                                                          En Stock
                                                                                                          €31.19 Price
                                                                                                          En Stock
                                                                                                          €31.19 Price
                                                                                                          Entretoise Inf rotule biellette anti-couple Megane N4Entretoise Inf rotule biellette anti-couple Megane N4
                                                                                                              Entretoise Inf rotule biellette anti-couple Megane N4 Référence: 7711167021
                                                                                                              €31.19Price
                                                                                                              Entretoise Inf rotule biellette anti-couple Megane N4Entretoise Inf rotule biellette anti-couple Megane N4
                                                                                                                  Entretoise Inf rotule biellette anti-couple Megane N4 Référence: 7711167021
                                                                                                                  €31.19Price
                                                                                                                  En Stock
                                                                                                                  €26.74 Price
                                                                                                                  En Stock
                                                                                                                  €26.74 Price
                                                                                                                  Entretoise Sup rotule biellette anti-couple Megane N4Entretoise Sup rotule biellette anti-couple Megane N4
                                                                                                                      Entretoise Sup rotule biellette anti-couple Megane N4 Référence: 7711167020
                                                                                                                      €26.74Price
                                                                                                                      Entretoise Sup rotule biellette anti-couple Megane N4Entretoise Sup rotule biellette anti-couple Megane N4
                                                                                                                          Entretoise Sup rotule biellette anti-couple Megane N4 Référence: 7711167020
                                                                                                                          €26.74Price
                                                                                                                          Entretoise Sup biellette anti-couple sur moteur Megane N4Entretoise Sup biellette anti-couple sur moteur Megane N4
                                                                                                                              Entretoise Sup biellette anti-couple sur moteur Megane N4 Référence: 7711167024
                                                                                                                              €31.21Price
                                                                                                                              Entretoise Sup biellette anti-couple sur moteur Megane N4Entretoise Sup biellette anti-couple sur moteur Megane N4
                                                                                                                                  Entretoise Sup biellette anti-couple sur moteur Megane N4 Référence: 7711167024
                                                                                                                                  €31.21Price
                                                                                                                                  En Stock
                                                                                                                                  €10.26 Price
                                                                                                                                  En Stock
                                                                                                                                  €10.26 Price
                                                                                                                                  Vis CHC M12-120 recoupée à 105 Megane N4
                                                                                                                                      Vis CHC M12-120 recoupée à 105 Megane N4 Référence: 7711167025
                                                                                                                                      €10.26Price
                                                                                                                                      Vis CHC M12-120 recoupée à 105 Megane N4
                                                                                                                                          Vis CHC M12-120 recoupée à 105 Megane N4 Référence: 7711167025
                                                                                                                                          €10.26Price
                                                                                                                                          En Stock
                                                                                                                                          €3.64 Price
                                                                                                                                          En Stock
                                                                                                                                          €3.64 Price
                                                                                                                                          Rondelle plate Ø10x26x3 Megane N4
                                                                                                                                              The Flat Washer Ø10 x 26 x 3 mm , reference 7703053924 , is designed for specific Renault Mégane N4 mechanical applications. This 10 mm flat washer provides a suitable bearing surface between the fastener and the assembled component. Using a worn, damaged or incorrectly sized washer can affect the quality and...
                                                                                                                                              €3.64Price
                                                                                                                                              Rondelle plate Ø10x26x3 Megane N4
                                                                                                                                                  The Flat Washer Ø10 x 26 x 3 mm , reference 7703053924 , is designed for specific Renault Mégane N4 mechanical applications. This 10 mm flat washer provides a suitable bearing surface between the fastener and the assembled component. Using a worn, damaged or incorrectly sized washer can affect the quality and...
                                                                                                                                                  €3.64Price
                                                                                                                                                  En Stock
                                                                                                                                                  €15.97 Price
                                                                                                                                                  En Stock
                                                                                                                                                  €15.97 Price
                                                                                                                                                  Vis CHC M12-110 recoupée à 98 Megane N4
                                                                                                                                                      The M12 Socket Head Cap Screw , reference 7711167029 , is a cylindrical head hex socket screw designed for mechanical fastening applications. This reference is suitable for specific automotive and Renault Sport applications where the correct fastening specification is required. A worn, damaged or incorrectly specified fastener can compromise the...
                                                                                                                                                      €15.97Price
                                                                                                                                                      Vis CHC M12-110 recoupée à 98 Megane N4
                                                                                                                                                          The M12 Socket Head Cap Screw , reference 7711167029 , is a cylindrical head hex socket screw designed for mechanical fastening applications. This reference is suitable for specific automotive and Renault Sport applications where the correct fastening specification is required. A worn, damaged or incorrectly specified fastener can compromise the...
                                                                                                                                                          €15.97Price
                                                                                                                                                          En Stock
                                                                                                                                                          €77.29 Price
                                                                                                                                                          En Stock
                                                                                                                                                          €77.29 Price
                                                                                                                                                          Canon pour support moteur sur moteur Megane N4
                                                                                                                                                              Canon pour support moteur sur moteur Megane N4 Référence: 7711167027
                                                                                                                                                              €77.29Price
                                                                                                                                                              Canon pour support moteur sur moteur Megane N4
                                                                                                                                                                  Canon pour support moteur sur moteur Megane N4 Référence: 7711167027
                                                                                                                                                                  €77.29Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €83.39 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €83.39 Price
                                                                                                                                                                  Boitier sortie eau sans calorstat Twingo R1 R2
                                                                                                                                                                      Boitier sortie eau sans calorstat Twingo R1 R2 Référence: 7711162845
                                                                                                                                                                      €83.39Price
                                                                                                                                                                      Boitier sortie eau sans calorstat Twingo R1 R2
                                                                                                                                                                          Boitier sortie eau sans calorstat Twingo R1 R2 Référence: 7711162845
                                                                                                                                                                          €83.39Price
                                                                                                                                                                          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
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €468.00 Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €468.00 Price
                                                                                                                                                                                  Convergent boitier filtre assemblé 205cv Twingo R2Convergent boitier filtre assemblé 205cv Twingo R2
                                                                                                                                                                                      Convergent boitier filtre assemblé 205cv Twingo R2 Référence: 8201434015
                                                                                                                                                                                      €468.00Price
                                                                                                                                                                                      Convergent boitier filtre assemblé 205cv Twingo R2Convergent boitier filtre assemblé 205cv Twingo R2
                                                                                                                                                                                          Convergent boitier filtre assemblé 205cv Twingo R2 Référence: 8201434015
                                                                                                                                                                                          €468.00Price
                                                                                                                                                                                          Simple data acquisition telemetry harness for Renault Clio 2 Cup and Clio 3 Cup, SKU 7711160897.Simple Data Acquisition Harness | Renault Clio 2/3 Cup, Twingo R2 and Megane N4
                                                                                                                                                                                              Do not risk driving blind on the track, losing vital telemetry logs, or missing out on analyzing your timed lap performances. The genuine Simple Data Acquisition Harness from Renault Sport (Official References: 7711160897 and 7711160709) allows you to cleanly connect your...
                                                                                                                                                                                              €210.52Price
                                                                                                                                                                                              Simple data acquisition telemetry harness for Renault Clio 2 Cup and Clio 3 Cup, SKU 7711160897.Simple Data Acquisition Harness | Renault Clio 2/3 Cup, Twingo R2 and Megane N4
                                                                                                                                                                                                  Do not risk driving blind on the track, losing vital telemetry logs, or missing out on analyzing your timed lap performances. The genuine Simple Data Acquisition Harness from Renault Sport (Official References: 7711160897 and 7711160709) allows you to cleanly connect your...
                                                                                                                                                                                                  €210.52Price