Moroso BB Chevy Billet Rail Valve Covers w/ 12 AN Fitting 42034 for years of dependable service

for years of dependable service

2003-2007 Ford F-550 Super Duty

improved pulling and whip-like throttle response from the increased spark energy reaching the gap

Square Port

Our most efficient heat exchanger

Moroso BB Chevy Billet Rail Valve Covers w/ 12 AN Fitting 42034 for years of dependable serviceProduct Description: Valve Cover Stock Height 3 8 in Thick Billet Rail 12 AN Male Fabricated Aluminum Natural Big Block Chevy 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