Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Natural Chevrolet Colorado/ GMC Canyon/ Hummer " part number 421117

part number 421117

If it detects an issue

6L Duramax Diesel (LB7

The large diameter intake tube was designed to minimize restriction

this system equips your 4Runner with the added capability needed for weekend adventures and demanding off-road excursions

Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Natural Chevrolet Colorado/ GMC Canyon/ Hummer " part number 421117Each 2 Piece LS valve cover set includes a low profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, and 12 point dress up hardware and rubber grommets for the coil covers. These modular LS valve covers will be offered in 5 unique finishes: natural cast, polished, satin black, factory orange, and gloss red (black, factory orange and gloss red sets feature machined fins). Polished and black versions coming soon.