Holley Single Plane Split-Design Race Intake Manifold- GM LS3/L92-4150 - 300-291 y-pipe The dual outlet system will

The dual outlet system will generally produce a moderate sound level that will appeal to most enthusiast type owners

Application 66-69 Chevy Bel Air Biscayne Caprice Impala

5L V8 1968 - 1969 GMC C25/C2500 Suburban   396/6

and high-temp O-rings

When Replacing "GKN" Shaft the Yoke May Need To Be Replaced

Holley Single Plane Split-Design Race Intake Manifold- GM LS3/L92-4150 - 300-291 y-pipe The dual outlet system willOverview: The new Holley Single Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with LS3 L92 heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI. The LS Race single plane intake manifold was designed for hi performance racing engine