Holley 4500 LS SP RACE INTAKE CARB LS1 PORT BLK

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.