BMW X3 (F25) non-ratcheting clutch kits for use with SPEC billet flywheel only Year Span 2011-2017 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SB531-2 Torque Capacity 430 Pricing $599.00 Stage 2 Product Number SB532-2 Torque Capacity 485 Pricing $789.00 Stage 2+ Product Number SB533H-2 Torque Capacity 545 Pricing $839.00 Stage 3 Product Number SB533-2 Torque Capacity 580 Pricing $799.00 Stage 3+ Product Number SB533F-2 Torque Capacity 671 Pricing $979.00 Stage 4 Product Number SB534-2 Torque Capacity 580 Pricing $799.00 Stage 5 Product Number SB535-2 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 Enhanced Hybrid Option for Stage 2+ Kits $79.00 further enhances low speed drivability and wear lifeĀ Billet Flywheel Replacement Friction Plate Kit with Fasteners $79.00 Diamond ground, includes self-locking fastenersĀ Questions? Give us a call. 1-800-828-4379