Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL you must use the steel-needle

you must use the steel-needle version

1975-1977 Ford Custom 500

These round case mufflers are five-pounds lighter than competing "quiet" race mufflers and feature a 6

Increases power and MPG

Heavy Gauge BaseFord Racing offers a variety of products for hard core racing and street vehicles

Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL you must use the steel-needleProduct 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