The SPEC Stage 3+ single-plate clutch kit for 2012–2013 Subaru BRZ (21-spline x 1-1/8) is a higher-capacity replacement intended for drivers upgrading from the factory unit. It provides a complete single-clutch solution tuned to accept increased drivetrain demands associated with modifications or spirited driving. The kit fits the specified BRZ years and spline specification for direct-fit installation.
Spec 12-13 Subaru BRZ Stage 3+ Clutch Kit (Spline 21 x 1-1/8)