View our Specials! Coupon Code: SaveIn2026
0 Reviews
The Super Twin is for street and track use in cars with extreme horsepower and torque (700-1500 ft lbs tq). The Super Twin offers near-stock drivability, tremendous life expectancy, a no shimming/setup bolt-in installation and maintenance free operation. With all billet construction, these units are smooth and quiet. The units are rebuild-able by SPEC or the end user and replacement components or rebuild services are always available. The super twin is constructed with aircraft grade aluminum and high carbon billet steel milled to an industry leading .001 inch for perfect balance and actuation. Friction is provided by dampened, full-faced carbon graphite discs. Organic, fiber and full metallic options are available. Flywheel and track-spec hardware are included in each kit. Types of driving: street, drag, drift, road racing, time attack, pulling and rallye.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
Sorry we do not have fitment information available for this part number. Contact us for any fitment questions. | |||||
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov $427.50
|
 IN STOCK SPEC SF873FLPRSPEC Stage 3+ Clutch Kits Spec 99-04 Ford Cobra/MACH/01-04 Mustang Stage 3+ Clutch Kit w/10 Spline (*Low Pedal*) |
 IN STOCK - LOW ACT NX2-XTR6ACT XT/Race Clutch Kits ACT 1981 Nissan 280ZX XT/Race Rigid 6 Pad Clutch Kit $523.61
|
 IN STOCK Competition Clutch 6045-2600Competition Clutch Stage 3 Clutch Kits Competition Clutch 90-96 Nissan 300Z/300ZX/89-02 Skyline Stage 3 - Segmented Ceramic Clutch Kit $550.00
|
 IN STOCK - LOW Action Clutch ACR-1844-BAction Clutch Clutch - Single - Stage 1 - 1OS Action Clutch 05-06 Subaru Legacy GT Spec B 2.5L (EJ255) T AWD Stage 1 Clutch (1OS) w/Lightened FW $832.96
|
 IN STOCK ACT SB10-XTSSACT XT-M/P Street Clutch Kits ACT 2006 Subaru Impreza XT-M/Perf Street Sprung Clutch Kit $792.75
|
 $386.83
|
IN STOCK SPEC SF503H-9SPEC Stage 2+ Clutch Kits Spec 3/11-13 Ford Mustang 5.0L GT/Boss 9-Bolt Cover Stage 2+ Clutch Kit $485.10
|
For more information on SPEC part number ST63SST-O-2MKIV, you can visit the official SPEC website.
