OS Giken R4C Quad Disc Clutch for 2JZ + T-56 / 26t GM Spline brand_Seibon The volume of fuel inside

The volume of fuel inside the surge tank acts as a buffer to always keep the FST pump(s) supplied with fuel

To finish off the performance look

Tested and proven on the world’s fastest R35 GT-Rs

There are many different tools that can be used for measurement

9310 alloy wrist pins and complete ring pack

OS Giken R4C Quad Disc Clutch for 2JZ + T-56 / 26t GM Spline brand_Seibon The volume of fuel insideThe R Clutch series line up is our highest capacity clutch and is specifically designed for vehicles with a significant increase in engine power. Our unique floating center hub design is built to withstand transmission shock and abuse from high powered racecars. The R4C Clutch is specifically designed for vehicles with a significant increase in engine power and torque. It is capable of handling up to 1400lbs ft of torque and immense amounts of heat.