The SPEC Stage 4 is a solid hub version of the Stage 3. The hub is solid 8-rivet and the assembly is heat treated for strength and durability. It is available in 6-puck for the smooth engagement. The Stage 4 is street drivable but not street friendly due to the rigid hub. Best for dedicated drag racing, road racing, rally or drift cars. Not suggested for any street driven 370Z/G37.
Torque capacity: 495ft/lbs
**IMPORTANT NOTE: A SPEC bearing face adapter is required for proper bearing contact on these clutches.* *
Every SPEC Clutch Kit Includes:
-High clamp pressure plate
-High torque hub and disc assembly