Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL Rubber Cap

Rubber Cap

you must use the steel-needle version

Increases power and MPG

Since our inception in March 1966

Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL Rubber CapProduct Description: Breather Screw In Round Aluminum Polished GM COPO Replacement Pair Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis and suspension equipment