Official SADEV FOUT1908001 Input Shaft Tool for Clio Cup

The Irreversible Risks of Tightening an Input Shaft Without the Correct Tool

Opening or rebuilding a motorsport transmission without the appropriate equipment almost always leads to expensive damage. Attempting to lock or tighten the input shaft of an ST75-14 sequential gearbox using makeshift methods (such as pliers, screwdrivers, or modified sockets) causes micro-cracks, spline distortion, or metal chipping. By failing to use the official SADEV FOUT1908001 tool, you risk misaligning the gears, altering gear engagement, and causing a brutal mechanical failure mid-race on your Clio 2 Cup or Clio 3 Cup. Saving on professional tooling too often results in the total loss of a casing or a complete gear set.

Why the Official SADEV FOUT1908001 Tightening Tool is Essential

The physical stresses applied to motorsport transmissions require absolute compliance with the torque specifications recommended by the manufacturer. The tool reference FOUT1908001 wraps perfectly around the original component without creating asymmetrical stress points. Built to withstand the high forces necessary to lock down the shaft nut, this tool ensures that your servicing work complies with the technical datasheets of SADEV gear sets. This is your guarantee to keep your sequential gearbox running in prime condition, matching the standards of top-tier rally and circuit racing teams.

Chassis Compatibility and Competition Gearboxes

This heavy-duty technical tool is a must-have in the toolboxes of demanding tuners and racing drivers. It is optimized for the famous ST75-14 sequential gearbox type, which primarily equips the following factory models:

• Renault Clio 2 X65 Cup (F4R engine)
• Renault Clio 3 X85 Cup (high-performance F4R engine)
• Any circuit or rally configuration utilizing the SADEV ST75 transmission platform

Frequently Asked Questions Regarding ST75-14 Transmission Overhauls

Why can't I use a universal tool for the input shaft?

The specific machining of SADEV transmission shafts tolerates zero play. A universal tool will slip under heavy load, rounding off the edges of the threads or splines, making any future disassembly impossible without destroying the part.

Is the SADEV reference FOUT1908001 delivered ready to use?

Yes, this tool is a one-piece factory casting and machining component. It fits directly onto your standard wrenches or breaker bars for immediate application in the workshop or service park.

Where can I find internal wear parts to complete my gearbox rebuild?

To help you complete the reassembly of your transmission, all complementary spare parts needed for your gearbox rebuild are grouped together right at the bottom of this product page.

The Reliability of the Optimiz Access Network for Your Race Machinery

Since 2010, Optimiz Access has stood out as the trusted partner for supplying spare parts, servicing, and the bespoke personalisation of sports and premium vehicles. Our thorough knowledge of motorsport requirements allows us to offer only certified equipment. Our qualified mechanics can also handle the installation, overhaul of your competition gearboxes, and the full maintenance of your track cars within our workshop in Northern France — near Cambrai, Valenciennes, Arras, Seclin, Lille, Douai, and Saint-Quentin.

Because preparing for a race cannot wait, our logistics service ensures fast shipping for your orders, whether you are based locally or anywhere else in the world via our global export solutions.