Enginetech PK21 Engine Expansion Plug Kit for Cadillac Commercial and Calais Chassis Engine Injector Sleeve O-Ring These specifications are engineered to

These specifications are engineered to enhance compression

Part Numbers: WP180-4020

backed by a company with decades of experience serving engine rebuilders and automotive enthusiasts alike

this intake valve is an essential component for restoring or upgrading your engine's intake system

Enginetech PK21 Engine Expansion Plug Kit for Cadillac Commercial and Calais Chassis Engine Injector Sleeve O-Ring These specifications are engineered toEngine Expansion Plug Kit Iron The Enginetech PK21 Engine Expansion Plug Kit is a comprehensive set of high quality steel plugs designed for engine rebuilding and maintenance. Made from durable steel, these plugs are engineered to provide a reliable seal and fitment in various Cadillac chassis models from 1968 to 1974, including the Cadillac Commercial Chassis and Calais. Whether you're restoring an classic Cadillac or performing routine engine