Valve Seat 4/ Set - Chevy BBC 454 | Intake +0.010 | (3021) Speedmaster extruded aluminum and stainless

Speedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals

These Speedmaster connecting rod bearings are just what you need to freshen up your engine

outdated points distributors

Provides very positive shifts for high performance street use or for competitive events

Made of durable steel

Valve Seat 4/ Set - Chevy BBC 454 | Intake +0.010 | (3021) Speedmaster extruded aluminum and stainlessThese 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.