Valve Seat 4/ Set - Chevy SBC Ford Windsor |Exhaust +0.010 | (3002 & 3038) These aluminum push-in breathers from

These aluminum push-in breathers from Speedmaster are just the thing to prevent oil splash while adding some style

Speedmaster hub and piston kits are engineered for enhanced Powerglide performance

They are machined from chromoly steel

Just bolt the pre-assembled unit to the back of the shifter and you are ready to go

The regulators feature AN O-ring boss inlet

Valve Seat 4/ Set - Chevy SBC Ford Windsor |Exhaust +0.010 | (3002 & 3038) These aluminum push-in breathers fromThese replacement valve seats are just like the originals. Made from premium materials and built to exacting tolerances, they replace your existing worn or damaged valve seats.