he 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 Miata.
- Not recommended for street driving. Harsh engagment. Race clutch.
- High clamp pressure plate
- High torque hub and disc assembly
- Replacement bearings
- Alignment tool
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