Holley Single Plane Split-Design Intake Manifold GM LS1/LS2/LS6 Black 300-256BK Drop Ship 438'' diameter flange

438'' diameter flange

2L V8 1968 Oldsmobile 442   455/7

1969-1970 Plymouth Road Runner

Front 3 Line Kit Steel

R/T Scat Pack models with the 6

Holley Single Plane Split-Design Intake Manifold GM LS1/LS2/LS6 Black 300-256BK Drop Ship 438'' diameter flangeOverview: 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 cathedral port 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