GM-Chevy Corvette for use with OE dual mass flywheel Year Span 1989-1993 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SC421Z Torque Capacity 505 Pricing $584.00 Stage 2 Product Number SC422Z Torque Capacity 600 Pricing $704.00 Stage 2+ Product Number SC423HZ Torque Capacity 665 Pricing $639.00 Stage 3+ Product Number SC423FZ Torque Capacity 845 Pricing $856.00 Stage 4 Product Number SC424Z Torque Capacity 762 Pricing $599.00 Stage 5 Product Number SC425Z Torque Capacity 1008 Pricing $826.00 None Not Available Pricing Specialty Products Release Bearing Only $85.99 Included in kit, but can be purchased separately by choosing this option Billet Aluminum Flywheel Replacement Friction Plate with Fasteners (Included on Flywheel) $89 Diamond ground, includes self-locking fasteners Questions? Give us a call. 1-800-828-4379