Clutch Masters Flywheel – B48 or B58 with GS6-37DZ

Clutch Masters single-mass flywheel for BMW B48 applications using the GS6-37DZ 6-speed manual transmission. Choose aluminum for the lowest rotating mass or steel for a middle ground between stock weight and a lightweight aluminum unit.

• Designed in CAD and CNC machined in the USA from 6061 aluminum or 1045 steel billet.
• Zero balanced after machining.
• Aluminum flywheels are Type 3 hard anodized; steel flywheels are black oxide coated.
• SFI 1.2 certified for motorsports use.
• Made to be paired with Clutch Masters single-disc clutch kits.

Aluminum

• Weight: 17 lbs.
• The lightest option, aimed at track and race use. Engagement can be slightly more aggressive, with some clutch chatter.

Steel

• Weight: 31.2 lbs.
• A middle ground between the stock flywheel and the aluminum flywheel, suited to street use.

Confirm fitment for your B48 and GS6-37DZ setup before ordering.

Matching clutch kits for the GS6-37DZ:

• FX350 HD Clutch Kit – B48 with GS6-37DZ
• FX350 SS Short Shift Clutch Kit – B48 with GS6-37DZ
• FX400 SS 6 Puck Short Shift Clutch Kit – B48 with GS6-37DZ

For a Full race clutch and flywheel for the B48 or B58: Clutch Masters 725 Series Twin Disc Race Clutch & Flywheel – B48 and B58