BMW 135 Non-ratcheting clutch kits * SPEC SB55S-2 or SB55A-2 required Year Span 2011-2012 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SB551-2 Torque Capacity 430 Pricing $699.00 Stage 2 Product Number SB552-2 Torque Capacity 485 Pricing $789.00 Stage 2+ Product Number SB553H-2 Torque Capacity 545 Pricing $839.00 Stage 3 Product Number SB553-2 Torque Capacity 580 Pricing $799.00 Stage 3+ Product Number SB553F-2 Torque Capacity 671 Pricing $979.00 Stage 4 Product Number SB554-2 Torque Capacity 580 Pricing $799.00 Stage 5 Product Number SB555-2 Torque Capacity 820 Pricing $999.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SB55A-2 Pricing $637.00 Steel Product Number SB55S-2 Pricing $599.00 None Not Available Pricing Specialty Products Billet Flywheel Replacement Friction Plate Kit with Fasteners $79.00 Diamond ground, includes self-locking fasteners Questions? Give us a call. 1-800-828-4379