Holley Hi-Ram Lower Manifold - GM LT1 - 300-236 harley-davidson-exhaust Positive Crankcase Ventilation (PVC) Ports

Positive Crankcase Ventilation (PVC) Ports w/ Adapter Fittings

4 inches by 9 Inches by 14 Inches

7L V8 1988 - 1991 GMC K2500 350/5

Part Number: 817695

Holley Hi-Ram Lower Manifold - GM LT1 - 300-236 harley-davidson-exhaust Positive Crankcase Ventilation (PVC) PortsOverview: The 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