Ø140mm / 5.5" Porsche 991 GT3 CUP 3.8L Flywheel MR232400 For iconic E46 M3 and

For iconic E46 M3 and E39 M5

5 kg reduction in flywheel weight delivers a noticeable improvement in engine response and acceleration

cryogenically treated (in some applications)

0mm—this clutch cover allows you to fine-tune your clutch engagement and adjust to different performance demands

The 184mm Clutch Cover is designed specifically for single disc clutch kits

Ø140mm / 5.5" Porsche 991 GT3 CUP 3.8L Flywheel MR232400 For iconic E46 M3 andFlywheel Design & Key Improvements Our flywheel retains the same dimensions and weight (2. 95 kg) as the Porsche Motorsport flywheel (PN: 99710204192 997. 102. 041. 92 997 102 041 92) but features several significant upgrades: One Piece Design with Integral Ring Gear Far more reliable than the Porsche Motorsport Sachs Racing two piece bolt on ring gear system. High Strength Forged Chromoly Steel (CrMo) Special nitriding heat treatment provides a 60