SLP Performance - 05-06 GTO Cylinder-Head-and-Manifold Package, SLP/L92 Drive by Wire (stock 70.2cc)

Looking for an affordable performing cylinder head and manifold package on the market today at a fraction of the cost, look no further! These L92 cylinder heads have the stock combustion chambers (70.2cc's) and come with Competition Cams 918 valve springs (SLP# 53003) which are set to the proper install height and titanium retainers (SLP# 53104). Included are eight L92 offset 1.7 intake rocker arms, two L92 rocker arm pedestals and the complete L76 intake manifold.

NOTES: This cylinder head and manifold package is designed for drive by wire vehicles. L92 Heads can only be used on LS based engines with a 4.000" bore or larger. Requires installation kit # 12507 for proper installation and because of the larger intake valve, piston to valve clearance should be checked prior to installation.