Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL Self-tuning ECU means you dont

Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI

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

you must use the steel-needle version

Rubber Cap

Increases power and MPG

Moroso Valve Cover Breathers 2 Pack GM COPO Replacements 42031BL Self-tuning ECU means you dontProduct 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