Honda Civic Si 9inch diameter for SPEC flywheel Year Span 2012-2015 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SH741 Torque Capacity 271 Pricing $889.00 Stage 2 Product Number SH742 Torque Capacity 309 Pricing $999.00 Stage 2+ Product Number SH743H Torque Capacity 345 Pricing $945.00 Stage 3 Product Number SH743 Torque Capacity 367 Pricing $899.00 Stage 3+ Product Number SH743F Torque Capacity 425 Pricing $1,019.00 Stage 4 Product Number SH744 Torque Capacity 367 Pricing $899.00 Stage 5 Product Number SH745 Torque Capacity 513 Pricing $999.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SH74A Pricing $399.00 None Not Available Pricing Specialty Products 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