Holley 4500 LS SP RACE INTAKE CARB LS1 PORT BLK

The Holley 4500 LS SP RACE INTAKE CARB LS1 PORT BLK is a high-performance single-plane race intake manifold designed for GM LS Gen III engines with cathedral port heads. Featuring a two-piece split design and 4500 Dominator style carb flange, it supports carburetors, EFI throttle bodies, or throttle body elbows, making it ideal for 5.3 to 6.2+ liter naturally aspirated or power-adder applications targeting max power at 7500-8000+ RPM.

Key Features

Maximum performance 4500 Dominator flange race design with hood clearance consideration
Lighter than other split race intakes
Split design simplifies porting and modifications
Captured O-ring seals at head ports and plenum split for precise assembly
Vacuum port options: (2) 1/8", (1) 1/4", and (1) 3/8" NPT at carb flange
Two versions available: EFI type with billet fuel rails or carbureted/Sniper EFI 4500 TBI style
Large volume 4500 plenum and optimized runners for high-RPM airflow

Fitment

Fits GM LS Gen III engines with cathedral port heads
Supports 5.3 to 6.2+ liter displacements, naturally aspirated or with power adders

Note: Verify compatibility with your engine setup before ordering. Installation may require tuning and supporting components depending on application.