Holley EFI Hi-Ram Lower Manifold - GM LT1 3552024-13- XL With five layers of progressively

With five layers of progressively finer mesh cotton gauze media and two layers of synthetic media and a 100% polyurethane top and base

5 to 12 psi

12-23 Degree Head

Chevy Corvette 1997-2003

ATI has developed the Superplate flexplate

Holley EFI Hi-Ram Lower Manifold - GM LT1 3552024-13- XL With five layers of progressivelyThe new Holley EFI Hi Ram intake provides the ultimate performance with the new GM direct injected Gen V 6. 2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners