Holley 4500 LS RACE SP INTAKE CARB LS1 PORTS - BLACK

The Holley 4500 LS RACE SP INTAKE CARB LS1 PORTS - BLACK 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, it offers easy porting and modification access while supporting 4500 Dominator style carburetors or EFI throttle bodies. Ideal for 5.3 to 6.2+ liter naturally aspirated or power-adder engines, it delivers maximum airflow and power at high RPMs.

Key Features

Maximum performance 4500 Dominator flange race design with hood clearance consideration
Lighter than other split race intakes
Two-piece split design for easy porting and modification
Captured O-ring seals at head ports and plenum split for precise assembly
Multiple vacuum port options: (2) 1/8, (1) 1/4, and (1) 3/8 NPT ports at the carb flange
Available with EFI billet fuel rails and mounting hardware or carbureted/Sniper EFI 4500 TBI style
Large volume 4500 plenum and optimized runners for high-RPM power (7500-8000+ RPM)
Cost-effective alternative to other split race intakes (33 to 50% of their price)

Fitment

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

Note: Verify compatibility with your specific engine and carburetor or EFI setup before ordering. Installation may require tuning and supporting components.