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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: Filtration
  • Categories: Préparation intérieure
High Pressure Oil Pump for Renault Megane 4 RS & Alpine A110High Pressure Oil Pump for Renault Megane 4 RS & Alpine A110
      Secure your engine's lubrication with this genuine RENAULT oil pump , the latest technical version featuring increased oil pressure . Specifically designed for the high-performance engines of the Renault Megane 4 RS and Alpine A110 , it guarantees optimal reliability during intensive road or track...
      €515.53Price
      High Pressure Oil Pump for Renault Megane 4 RS & Alpine A110High Pressure Oil Pump for Renault Megane 4 RS & Alpine A110
          Secure your engine's lubrication with this genuine RENAULT oil pump , the latest technical version featuring increased oil pressure . Specifically designed for the high-performance engines of the Renault Megane 4 RS and Alpine A110 , it guarantees optimal reliability during intensive road or track...
          €515.53Price
          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
                  €177.25 €443.14 Regular price -60% off Price
                  En Stock
                  €177.25 €443.14 Regular price -60% off Price
                  Oil Pump Renault 15010BV82A - Megane 4 RS & Alpine A110Oil Pump Renault 15010BV82A - Megane 4 RS & Alpine A110
                      Secure your engine's survival with this genuine Renault oil pump (reference 15010BV82A ). As the core component of the lubrication system for the Megane 4 RS and Alpine A110 , it guarantees constant oil pressure even during intensive track use. Do not gamble with the health of your 1.8 Turbo block: choose the absolute...
                      €177.25€443.14Regular price-60% offPrice
                      Oil Pump Renault 15010BV82A - Megane 4 RS & Alpine A110Oil Pump Renault 15010BV82A - Megane 4 RS & Alpine A110
                          Secure your engine's survival with this genuine Renault oil pump (reference 15010BV82A ). As the core component of the lubrication system for the Megane 4 RS and Alpine A110 , it guarantees constant oil pressure even during intensive track use. Do not gamble with the health of your 1.8 Turbo block: choose the absolute...
                          €177.25€443.14Regular price-60% offPrice
                          RTV Silicone Engine Gasket Maker THREEBOND 1215 (250g)RTV Silicone Engine Gasket Maker THREEBOND 1215 (250g)
                              Masterpiece of sealing: Don't accept the risk of oil or fluid leaks on your sports engine! **THREEBOND 1215** is the professional solution. This RTV silicone sealant (Room Temperature Vulcanizing) is essential for the reliable sealing of engine sumps, gearboxes, and other critical components. 250-gram tube. Its...
                              €27.66Price
                              RTV Silicone Engine Gasket Maker THREEBOND 1215 (250g)RTV Silicone Engine Gasket Maker THREEBOND 1215 (250g)
                                  Masterpiece of sealing: Don't accept the risk of oil or fluid leaks on your sports engine! **THREEBOND 1215** is the professional solution. This RTV silicone sealant (Room Temperature Vulcanizing) is essential for the reliable sealing of engine sumps, gearboxes, and other critical components. 250-gram tube. Its...
                                  €27.66Price
                                  En Stock
                                  €7,665.84 €12,776.40 Regular price -40% off Price
                                  En Stock
                                  €7,665.84 €12,776.40 Regular price -40% off Price
                                  Genuine Renault New Complete Engine - Renault Clio 4 RSGenuine Renault New Complete Engine - Renault Clio 4 RS
                                      Restore life and performance to your Renault Clio 4 RS with this new complete engine . A genuine Renault part , it comes equipped with essential components such as the turbocharger , ignition coils , and other peripherals, ensuring maximum installation ease and reliability. This is the ultimate solution for replacing a faulty engine and rediscovering the thrill...
                                      €7,665.84€12,776.40Regular price-40% offPrice
                                      Genuine Renault New Complete Engine - Renault Clio 4 RSGenuine Renault New Complete Engine - Renault Clio 4 RS
                                          Restore life and performance to your Renault Clio 4 RS with this new complete engine . A genuine Renault part , it comes equipped with essential components such as the turbocharger , ignition coils , and other peripherals, ensuring maximum installation ease and reliability. This is the ultimate solution for replacing a faulty engine and rediscovering the thrill...
                                          €7,665.84€12,776.40Regular price-40% offPrice
                                          Valve Collet Specific for Inconel Exhaust Valves - Renault Megane 3 RSValve Collet Specific for Inconel Exhaust Valves - Renault Megane 3 RS
                                              Ensure the perfect fastening of your Inconel exhaust valves on your Renault Megane 3 RS with this valve collet . This essential part guarantees the secure and precise retention of the valves, crucial for tuned engines used in extreme conditions. Don't let a small component compromise the integrity of your high-performance cylinder head.
                                              €4.20Price
                                              Valve Collet Specific for Inconel Exhaust Valves - Renault Megane 3 RSValve Collet Specific for Inconel Exhaust Valves - Renault Megane 3 RS
                                                  Ensure the perfect fastening of your Inconel exhaust valves on your Renault Megane 3 RS with this valve collet . This essential part guarantees the secure and precise retention of the valves, crucial for tuned engines used in extreme conditions. Don't let a small component compromise the integrity of your high-performance cylinder head.
                                                  €4.20Price
                                                  En Stock
                                                  €531.22 Price
                                                  En Stock
                                                  €531.22 Price
                                                  Renault Sport Exhaust Camshaft for Twingo R2 160hp
                                                      Don't underestimate the impact of an optimized exhaust camshaft on your Renault Twingo R2 160hp 's performance. This essential part, from the Renault Sport catalog (reference 7711162686 ), is designed to unlock your engine's full potential. Without this key component, your vehicle might never reach its maximum...
                                                      €531.22Price
                                                      Renault Sport Exhaust Camshaft for Twingo R2 160hp
                                                          Don't underestimate the impact of an optimized exhaust camshaft on your Renault Twingo R2 160hp 's performance. This essential part, from the Renault Sport catalog (reference 7711162686 ), is designed to unlock your engine's full potential. Without this key component, your vehicle might never reach its maximum...
                                                          €531.22Price
                                                          Forged Exhaust Valve - Renault Clio 2 & 3 RS / Cup (F4R)Forged Exhaust Valve - Renault Clio 2 & 3 RS / Cup (F4R)
                                                              Don't risk the performance and reliability of your engine. This forged exhaust valve , sold individually, is the essential part for Renault Clio 2 RS , Clio Gr N , Clio 2 X65 Cup , Clio 3 RS , and Clio 3 X85 Cup . Designed to withstand the extreme stresses of...
                                                              €31.05Price
                                                              Forged Exhaust Valve - Renault Clio 2 & 3 RS / Cup (F4R)Forged Exhaust Valve - Renault Clio 2 & 3 RS / Cup (F4R)
                                                                  Don't risk the performance and reliability of your engine. This forged exhaust valve , sold individually, is the essential part for Renault Clio 2 RS , Clio Gr N , Clio 2 X65 Cup , Clio 3 RS , and Clio 3 X85 Cup . Designed to withstand the extreme stresses of...
                                                                  €31.05Price
                                                                  Kit 4 Original RENAULT Connecting Rods for Renault Megane 3 RS (F4RT Engine)Kit 4 Original RENAULT Connecting Rods for Renault Megane 3 RS (F4RT Engine)
                                                                      Do you own a **Renault Megane 3 RS** and want to preserve its sporty heart? Discover our **kit of 4 original RENAULT connecting rods**, the centerpiece to guarantee the **reliability** and **longevity** of your **F4RT engine**. Don't compromise your vehicle's performance and safety with inferior quality parts. This kit is essential to maintain your **engine's integrity** and avoid costly...
                                                                      €418.14Price
                                                                      Kit 4 Original RENAULT Connecting Rods for Renault Megane 3 RS (F4RT Engine)Kit 4 Original RENAULT Connecting Rods for Renault Megane 3 RS (F4RT Engine)
                                                                          Do you own a **Renault Megane 3 RS** and want to preserve its sporty heart? Discover our **kit of 4 original RENAULT connecting rods**, the centerpiece to guarantee the **reliability** and **longevity** of your **F4RT engine**. Don't compromise your vehicle's performance and safety with inferior quality parts. This kit is essential to maintain your **engine's integrity** and avoid costly...
                                                                          €418.14Price
                                                                          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
                                                                                  €363.23 Price
                                                                                  En Stock
                                                                                  €363.23 Price
                                                                                  Aluminium Timing Cover Renault Mégane 4 RS 280 300Timing Cover | Renault Mégane 4 RS 280/300
                                                                                      The main timing cover is an essential engine component designed to protect and enclose the timing system while maintaining proper protection of the internal engine components. This aluminium timing cover is designed for the Renault Mégane 4 RS...
                                                                                      €363.23Price
                                                                                      Aluminium Timing Cover Renault Mégane 4 RS 280 300Timing Cover | Renault Mégane 4 RS 280/300
                                                                                          The main timing cover is an essential engine component designed to protect and enclose the timing system while maintaining proper protection of the internal engine components. This aluminium timing cover is designed for the Renault Mégane 4 RS...
                                                                                          €363.23Price
                                                                                          En Stock
                                                                                          €322.56 Price
                                                                                          En Stock
                                                                                          €322.56 Price
                                                                                          Piston EVO 2013 avec clips et axe Twingo R2
                                                                                              Piston EVO 2013 avec clips et axe Twingo R2 Référence: 7711167672
                                                                                              €322.56Price
                                                                                              Piston EVO 2013 avec clips et axe Twingo R2
                                                                                                  Piston EVO 2013 avec clips et axe Twingo R2 Référence: 7711167672
                                                                                                  €322.56Price
                                                                                                  Ressort de soupape Clio 2 RS y compris Gr N et X65 Cup
                                                                                                      Ressort de soupape Clio 2 RS y compris Gr N et X65 Cup. Convient pour les soupapes d'admission et d'échappement
                                                                                                      €15.01Price
                                                                                                      Ressort de soupape Clio 2 RS y compris Gr N et X65 Cup
                                                                                                          Ressort de soupape Clio 2 RS y compris Gr N et X65 Cup. Convient pour les soupapes d'admission et d'échappement
                                                                                                          €15.01Price
                                                                                                          En Stock
                                                                                                          €59.28 Price
                                                                                                          En Stock
                                                                                                          €59.28 Price
                                                                                                          Renault Twingo R2 plain crankshaft bearing – ref. 7711167587Plain Crankshaft Bearing Renault Twingo R2
                                                                                                              The 7711167587 plain crankshaft bearing is a replacement engine component designed for the Renault Twingo R2 . It is part of the crankshaft bearing system and contributes to correct crankshaft guidance and engine lubrication. On a Renault Twingo R2 competition engine , crankshaft bearings are exposed to significant mechanical and...
                                                                                                              €59.28Price
                                                                                                              Renault Twingo R2 plain crankshaft bearing – ref. 7711167587Plain Crankshaft Bearing Renault Twingo R2
                                                                                                                  The 7711167587 plain crankshaft bearing is a replacement engine component designed for the Renault Twingo R2 . It is part of the crankshaft bearing system and contributes to correct crankshaft guidance and engine lubrication. On a Renault Twingo R2 competition engine , crankshaft bearings are exposed to significant mechanical and...
                                                                                                                  €59.28Price
                                                                                                                  En Stock
                                                                                                                  €75.68 Price
                                                                                                                  En Stock
                                                                                                                  €75.68 Price
                                                                                                                  Coussinet de Vilebrequin rainuré 195cv Twingo R2Coussinet de Vilebrequin rainuré 195cv Twingo R2
                                                                                                                      Coussinet de Vilebrequin rainuré 195cv Twingo R2 Référence: 7711167588
                                                                                                                      €75.68Price
                                                                                                                      Coussinet de Vilebrequin rainuré 195cv Twingo R2Coussinet de Vilebrequin rainuré 195cv Twingo R2
                                                                                                                          Coussinet de Vilebrequin rainuré 195cv Twingo R2 Référence: 7711167588
                                                                                                                          €75.68Price
                                                                                                                          Coussinets de Bielles Trimetal ergotés
                                                                                                                            • Pack
                                                                                                                            ACL RACE Grooved Connecting Rod Bearing Kit - Clio 2 RS / Gr N / X65 Cup Optimize the performance of your Renault Clio 2 RS engine with this ACL RACE grooved connecting rod bearing kit. Designed for modified or grooved connecting rods, they offer increased resistance and better lubrication. Essential for high-performance engines.
                                                                                                                            €50.68Price
                                                                                                                            Coussinets de Bielles Trimetal ergotés
                                                                                                                              • Pack
                                                                                                                              ACL RACE Grooved Connecting Rod Bearing Kit - Clio 2 RS / Gr N / X65 Cup Optimize the performance of your Renault Clio 2 RS engine with this ACL RACE grooved connecting rod bearing kit. Designed for modified or grooved connecting rods, they offer increased resistance and better lubrication. Essential for high-performance engines.
                                                                                                                              €50.68Price
                                                                                                                              En Stock
                                                                                                                              €5.53 Price
                                                                                                                              En Stock
                                                                                                                              €5.53 Price
                                                                                                                              Demi Bague conique soupape
                                                                                                                                  Optimize the Performance and Reliability of Your Renault RS or Twingo RS with the Genuine Renault Valve Collet Manufactured by Renault, this valve collet is specifically designed to meet the precise requirements of Renault RS and Twingo RS engines. It delivers OEM-quality, durability, and performance, making it the ideal choice for drivers seeking reliability and...
                                                                                                                                  €5.53Price
                                                                                                                                  Demi Bague conique soupape
                                                                                                                                      Optimize the Performance and Reliability of Your Renault RS or Twingo RS with the Genuine Renault Valve Collet Manufactured by Renault, this valve collet is specifically designed to meet the precise requirements of Renault RS and Twingo RS engines. It delivers OEM-quality, durability, and performance, making it the ideal choice for drivers seeking reliability and...
                                                                                                                                      €5.53Price
                                                                                                                                      En Stock
                                                                                                                                      €31.26 Price
                                                                                                                                      En Stock
                                                                                                                                      €31.26 Price
                                                                                                                                      Collection de 7 vis volant moteur
                                                                                                                                          The official Renault Sport set of 7 flywheel bolts (ref. 7711150582 ) is a high-performance fastening kit, essential for competition vehicles such as Renault Twingo R1 , R2 , Clio 2 X65 Cup , Clio R3 , Clio 3 X85 Cup , and Megane N4 . Designed for secure and...
                                                                                                                                          €31.26Price
                                                                                                                                          Collection de 7 vis volant moteur
                                                                                                                                              The official Renault Sport set of 7 flywheel bolts (ref. 7711150582 ) is a high-performance fastening kit, essential for competition vehicles such as Renault Twingo R1 , R2 , Clio 2 X65 Cup , Clio R3 , Clio 3 X85 Cup , and Megane N4 . Designed for secure and...
                                                                                                                                              €31.26Price
                                                                                                                                              Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)
                                                                                                                                                  Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire) La photo représente 5 coussinets mais le prix est unitaire
                                                                                                                                                  €79.93Price
                                                                                                                                                  Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire)
                                                                                                                                                      Demi-coussinet sup. ergoté / rainuré Clio R3 MAX (prix unitaire) La photo représente 5 coussinets mais le prix est unitaire
                                                                                                                                                      €79.93Price
                                                                                                                                                      En Stock
                                                                                                                                                      €31.04 Price
                                                                                                                                                      En Stock
                                                                                                                                                      €31.04 Price
                                                                                                                                                      Soupape d'admission forgéeForged Intake Valve
                                                                                                                                                          Forged Intake Valve – 28337-70856 The forged intake valve 28337-70856 is an engine component designed to control the entry of air, or the air-fuel mixture, into the combustion chamber. It...
                                                                                                                                                          €31.04Price
                                                                                                                                                          Soupape d'admission forgéeForged Intake Valve
                                                                                                                                                              Forged Intake Valve – 28337-70856 The forged intake valve 28337-70856 is an engine component designed to control the entry of air, or the air-fuel mixture, into the combustion chamber. It...
                                                                                                                                                              €31.04Price
                                                                                                                                                              En Stock
                                                                                                                                                              €2.82 Price
                                                                                                                                                              En Stock
                                                                                                                                                              €2.82 Price
                                                                                                                                                              Genuine Renault 20.5mm Core Plug - Ref 7703075147Genuine Renault 20.5mm Core Plug - Ref 7703075147
                                                                                                                                                                  Ensure the perfect sealing and protection of your engine block with this genuine Renault core plug (freeze plug) with a 20.5mm diameter . This authentic part is essential during any engine rebuild to prevent coolant leaks. Manufacturer reference: 7703075147 . Precise 20.5mm...
                                                                                                                                                                  €2.82Price
                                                                                                                                                                  Genuine Renault 20.5mm Core Plug - Ref 7703075147Genuine Renault 20.5mm Core Plug - Ref 7703075147
                                                                                                                                                                      Ensure the perfect sealing and protection of your engine block with this genuine Renault core plug (freeze plug) with a 20.5mm diameter . This authentic part is essential during any engine rebuild to prevent coolant leaks. Manufacturer reference: 7703075147 . Precise 20.5mm...
                                                                                                                                                                      €2.82Price
                                                                                                                                                                      Soupape échappement Inconel F4R 30mmSoupape échappement Inconel F4R 30mm
                                                                                                                                                                          Soupape échappement Inconel F4R 30mm Attention +1mm par rapport à l'origine Head Diam:  30.00mm...
                                                                                                                                                                          €52.42Price
                                                                                                                                                                          Soupape échappement Inconel F4R 30mmSoupape échappement Inconel F4R 30mm
                                                                                                                                                                              Soupape échappement Inconel F4R 30mm Attention +1mm par rapport à l'origine Head Diam:  30.00mm...
                                                                                                                                                                              €52.42Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €137.94 Price
                                                                                                                                                                              En Stock
                                                                                                                                                                              €137.94 Price
                                                                                                                                                                              Outil pose gicleur d'huile piston F4R
                                                                                                                                                                                  Optimize the installation of your lubrication system with the genuine Renault oil jet installation tool. Designed for F4R engines in Renault Clio 2 & 3 RS and Megane 2 & 3 RS, this tool ensures a perfect fit and optimal precision, guaranteeing reliable and durable engine performance.
                                                                                                                                                                                  €137.94Price
                                                                                                                                                                                  Outil pose gicleur d'huile piston F4R
                                                                                                                                                                                      Optimize the installation of your lubrication system with the genuine Renault oil jet installation tool. Designed for F4R engines in Renault Clio 2 & 3 RS and Megane 2 & 3 RS, this tool ensures a perfect fit and optimal precision, guaranteeing reliable and durable engine performance.
                                                                                                                                                                                      €137.94Price
                                                                                                                                                                                      En Stock
                                                                                                                                                                                      €17.83 Price
                                                                                                                                                                                      En Stock
                                                                                                                                                                                      €17.83 Price
                                                                                                                                                                                      Soupape admission Twingo 2 RS
                                                                                                                                                                                          The original Renault intake valve is an essential part to optimize airflow in the engine of your Renault Twingo 2 RS . It guarantees optimal engine performance and efficient combustion. We ship worldwide.
                                                                                                                                                                                          €17.83Price
                                                                                                                                                                                          Soupape admission Twingo 2 RS
                                                                                                                                                                                              The original Renault intake valve is an essential part to optimize airflow in the engine of your Renault Twingo 2 RS . It guarantees optimal engine performance and efficient combustion. We ship worldwide.
                                                                                                                                                                                              €17.83Price