GM-Chevy Sonic 1.8L thru 8/18, 228mm upgrade Year Span 2012-2019 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SC171-8 Pricing $579.00 Stage 2 Product Number SC172-8 Pricing $695.00 Stage 2+ Product Number SC173H-8 Pricing $699.00 Stage 3 Product Number SC173-8 Pricing $675.00 Stage 3+ Product Number SC173F-8 Pricing $799.00 Stage 4 Product Number SC174-8 Pricing $579.00 Stage 5 Product Number SC175-8 Pricing $799.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SC17A-8 Pricing $509.00 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