| Stage 1 | Stage 2 | Stage 2+ | Stage 3 | Stage 3+ | Stage 4 | Stage 5 | |
| Kit Part Number: | SB531-2 | SB532-2 | SB533H-2 | SB533-2 | SB533F-2 | SB534-2 | SB535-2 |
| Torque Capacity: | 430 | 485 | 545 | 580 | 671 | 580 | 820 |
* Clutch Kit Notes: These kits feature a non-SAC mechanism pressure plate, which , deviating from the original design, provides a lighter rotating assembly, higher rpm capability and greater clamp load levels. Required for the install is a billet rebuildable flywheel that features a lightweight, low MOI design and infinite rebuildability. The billet aluminum flywheel weighs 14lbs, and billet steel 22 lbs.
About SPEC Clutch: SPEC is a Manufacturer of street high performance and racing clutches and flywheels. Featuring Clutch Kits From street kit Stage 1, 2, 2+, 3, and 3+ to Race Kits Stage 4 and 5. And now the SPEC Super Twin with TQ ratings of over 1500 FT TQ ! Every SPEC Clutch Kit and Flywheel has been SFI Approved.
Rush Shipping Information: Overnight/Rush shipping is not from the time that the order is placed rather it's the shipping method after the item is shipped. 2nd day air for a clutch kit is aprox $100-120 Next day air is aprox $130-180. These are just estimates and may range up or down by as much as 20%, the exact amount will be quoted before we charge your card if you want to request rush shipping.
Additional Stage 2+: Street, Drag, Pulling, Autocross
Features a multi-friction disc in a full faced configuration with carbon semi-metallic on one side and Kevlar on the other. Bridging the gap between stage 2 and stage 3, the 2+ offers drivability and engagement quality characteristic of the stage 2, but with a 15-20% higher torque capacity. The hub comes in either Sprung or Rigid and is application dependant. The double sprung hud features spring cover relieves for flexibility and both hubs use heat treated components for strength and durability. Great for street, drag, autocross, road racing, pulling, rallye and drift.