Chevy SBC 350 1968-86 O-Ring Thermostat Housing Water Neck Chrome Speedmaster aluminum LS valve covers

Speedmaster aluminum LS valve covers will give your LS series engines a totally new look

They feature lightweight construction with a thick rail for gasket support

The outer cases made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life and improved strength

The Speedmaster water pump pulley shim kits contain one 1mm spacer

look no further than PCE

Chevy SBC 350 1968-86 O-Ring Thermostat Housing Water Neck Chrome Speedmaster aluminum LS valve coversThese chrome water necks from Speedmaster add a touch of class to your cooling system. They're available for a variety of applications. O ring seal is included.