Holley Hi-Ram Lower Manifold - GM LT1 DOG SWAG Adjust the ride for various

Adjust the ride for various load and road conditions with a switch

Now available in Black

The Pro Series mufflers work on all applications ranging from street trucks

Steel - Frt (Dir/Hi/Rev) Oversize

LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body

Holley Hi-Ram Lower Manifold - GM LT1 DOG SWAG Adjust the ride for variousThe 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