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Ships within 48 hours · Estimated delivery Nov 6 - Nov 11
while Cleveland/Modified applications use precision laser-cut steel for a factory-style fit and finish
They are machined from chromoly steel
you can get 25 to 50 HP from these Proform main bodies
They're available in a variety of styles
Intake manifold (Dual Plane)
Valve Seat 4/ Set - Chevy SBC Ford Windsor |Exhaust +0.010 | (3002 & 3038) while Cleveland/Modified applications use precisionThese 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.
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