5.5in Optimum Clutch SBC 3 Disc 1-5/32in x 26 Spl Clutch Kit - Optimum-V - Triple Disc - 5-1/2 in Diameter - 1-5/32 in x 26 Spline - Rigid Hub - Flywheel - Sintered Bronze - 2-Piece Seal - Chevy - Kit MSRP: Was: Now: $1,306.49 Add to Cart