COMPETITION CLUTCH TWIN DISC NISSAN 240SX SILVIA S13,S14 SR20DETThe CCI twin disc provides the most economical racing clutch for the active sport compact enthusiast. This ceramic twin disc comes with a 4140 forged flywheel and a 6061 T6aluminum cover complimented with a 6150 steel diaphragm. These units are rated to hold 500 to 1200hp (depending on application) Alignment Tool Included: Yes, if applicable Disc Material: Ceramic Disc Style: Rigid Hub Flywheel Included: Yes Pilot Bearing Included: Yes, if applicable