Billet Specialties Gen 4 LS valley cover is engineered to fit LS2, LS3, LS7 & LSX blocks when using a carbureted manifold. This valley cover's ribbed design is precision machined from 6061-T6 aluminum and polished to a mirror finish to match our other ribbed accessories. High-quality ARP 12pt hardware is included for the perfect finishing detail. Featuring a provision machined into the back for the factory breather box and two 1/8" NPT ports for use with external breathers, oil separators or catch cans. Designed for use with your OE factory gasket (not included). Made in the USA.
* Not designed for use with Displacement On Demand (DOD) or Factory Active Fuel Management systems.