My Cart
€0.00
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
Drivetrain & Sports Gearbox Parts
Optimize Your Drivetrain: More Power, More Pleasure
At Optimiz Access, we offer custom-tailored solutions for a more efficient, direct, and responsive drivetrain. Whether you are aiming to put power down on the track or achieve sharper gear selection in daily driving, upgrading your transmission system unlocks the full potential of your sports vehicle.
Key benefits of an optimized drivetrain: faster and more precise gear shifts for dynamic driving, improved torque distribution for maximum traction, enhanced component reliability, and custom setups suited to all driving styles.
Essential Components for Gearboxes and Differentials
Our lineup brings together all the essential precision parts needed to maximize power transfer to the road:
- Clutches & Flywheels – Reinforced clutch kits, single-mass race flywheels, and high-friction materials built to handle high torque output.
- LSDs & Differentials – Limited-slip differentials designed to eliminate wheelspin and maximize exit traction.
- Shifters & Short Shifters – Precision short-throw shifters delivering crisp, rapid gear engagements.
- Final Drive Gears – Shorter ring and pinion gear sets providing explosive acceleration and mid-range response.
- Gearbox Oils & Bearings – High-performance synthetic gear oils and heavy-duty bearings engineered to protect gears under load.
Benchmark Brands and Trusted Partners
We work with the most respected motorsport manufacturers in the industry: CAE Racing, Sadev, Quaife, 4Tech Shifter, Helix, SACHS Performance, and TTV Racing. We also stock OEM factory parts to cover all your routine maintenance, servicing, and drivetrain overhauls.
Why Choose Optimiz Access for Your Drivetrain?
Since 2010, Optimiz Access has specialized in the custom upgrading and maintenance of sports and premium vehicles. By relying on us, you gain expert technical advice, high-precision components, and professional installation in our workshop in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin. We ensure strict quality control along with fast worldwide shipping.
Gear Up and Boost Your Sports Car's Traction Today
Don't let your engine's power go to waste. Trust the expertise of Optimiz Access, select your transmission hardware today, and take advantage of our fast dispatch to get your vehicle build underway.
Subcategory
View Left Column
There are 993 products.
Grid
Grid-2
List
List-2
Catelog
Renvoi de marche arrière 12-19 Twingo R2
Référence: 7711163848
€107.35Price
Cage à aiguilles renvoi de MAR Twingo R2
Référence: 7711162288
€18.74Price
Embrayage Helix 4 Patins Amortis Clio 2 X65 Cup
€374.59Price
Support connecteurs butée embrayage Megane N4 Référence: 7711167053
€50.42Price
Vis CHC M7-20 cl : 12.9
Megane N4 Référence: 7711167165
€2.65Price
Baladeur simple femelle Megane N4
Référence: 7711167437
€138.06Price
Support baladeur simple Megane N4
Référence: 7711167430
€152.06Price
The precision of your SADEV Quickshift gear control depends on every detail! This Mechaninbus pin diameter 2 (P/N: 0701037 ) is an essential part to ensure the reliable retention of the reinforced rod half-shells on your Renault Clio 2 Gr N ( ST66 SADEV Gearbox). A faulty pin results in...
€0.24Price
Entretoise arbre secondaire Megane N4
Référence: 7711167435 - F1914215
€198.35Price
Do not risk a spongy clutch pedal at the end of a hard track day session, grinding gear engagements at high RPM, or a complete failure of your hydraulic line under heavy acceleration. The premium HEL Performance stainless steel braided aviation clutch line for the Renault Megane 2...
€56.99Price
Doigt de commande assemblé Megane 3 RS et N4
€49.85Price
Butée basse pédale embrayage Megane N4 Référence: 7711167574
€52.37Price
Rondelle onduflex Ø7X14-0 Megane N4
Référence: 7711167163
€0.20Price
Support inverseur assemblé Megane 3 RS et N4
€84.71Price
Bague intérieure de roulement d'arbre d'embrayage Megane N4
€98.48Price
Joint torique nitrile Ø 106 x 2,5 # pour ST75 14
Référence: 0201061
€2.40Price
Bride de maintien butée SADEV Megane N4
Référence: 7711167167
€36.01Price
Plaque support butée SADEV Megane N4
Référence: 7711167166
€109.75Price
Raccord M10X100 - 3/8"X24 FILETS pour butée AP Racing Megane N4
€17.81Price
Anneau synchroniseur sup Clio 2 RS (avec nouveau baladeur 1/2) et Twingo RS
€34.00Price
Joint double lèvres sortie de cardan Twingo R2
Joint identique pour le coté gauche et droit
€21.77Price
Transform the driving sensation of your Renault Mégane 4 RS ! This short shifter is specifically designed for the PK4032 manual gearbox . It replaces the stock part to significantly reduce the lever throw , allowing for shorter, faster, and more precise gear changes. Installation is simple, without opening the gearbox, and the pin...
€209.00Price
MOTUL Multi DCTF is a Technosynthese® transmission fluid specially developed for dual-clutch transmissions (DCT) , including both wet and dry clutch systems. It is designed to provide suitable lubrication and protection for compatible dual-clutch gearboxes.
Using the correct DCT transmission fluid is essential to maintain the proper...
€16.00Price
Limited-Slip Differential Planetary Gear SADEV ST66 (F1501064)
Optimize the traction of your Renault Clio Gr N with this genuine Renault Sport limited-slip differential planetary gear. Designed for the SADEV ST66 gearbox, it ensures optimal torque distribution and improves grip when exiting corners. Essential for maximum performance in competition. ...
€193.52Price
Joint axe de commande et levier passage Clio 3 RS
€10.45Price
Carter embrayage boite JR5
Carter ayant été démonté d'une boite neuve, la boite n'a jamais été accouplée à un moteur.
€544.75Price