Holley 4500 LS RACE SP INTAKE CARB LS1 PORTS – BLACK

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.