SPEC Single Mass Conversion Clutch Kits BMW E82 135i E90 E92 335i Variations:SPEC Single Mass Conversion Stage 3 Clutch E90 E92 335i Stage 2+ is suggested for

Stage 2+ is suggested for highly modified but daily driven 135/335s that will see some track time

The rule of thumb is that each pound of weight taken off the engines rotating assembly is worth approximately 2

Each rail also has a center port that is threaded for -6AN O-ring (9/16-18 thread)

Invidias downpipe for the Legacy GT is one of the best on the market based on its high quality and low price

These stem seals are an upgrade from the standard OEM material to help cope with the higher heat caused by high performance Subaru EJ engines

SPEC Single Mass Conversion Clutch Kits BMW E82 135i E90 E92 335i Variations:SPEC Single Mass Conversion Stage 3 Clutch E90 E92 335i Stage 2+ is suggested forSPEC clutch kits for the (07 up) BMW 135 335 are some of the highest quality performance clutch kits on the market. SPEC makes a high performance clutch option for you; whether your BMW is a bone stock daily driver or a fully modified track beast. The clutch kits listed on this page are full single mass flywheel conversion kits and are not compatible with the stock dual mass flywheel. All kits require the purchase of SPEC flywheel SB53A 2. Every SPEC