Holley LS1 Single Plane Carb Intake - (Cathedral Port)
Carbureted single plane intake manifold. Fits all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Bolt a carburetor onto your LS engine? Then step up to the Holley LS mid-rise carbureted intake manifold. These intake manifolds work on all GM LS engines equipped with cathedral port cylinder heads. A single plane design for maximum power. These manifolds utilize an O-ring cylinder head mounting flange to provide a factory seal and makes installation a snap. Includes mounting bolts, washers and pipe plugs for the manifold vacuum and MAP sensor ports.
Features:
- 2500-7000 RPM power band
- 4150 Square bore carburetor mounting flange (up to 1.75" dia. throttle bores)
- Optimized runner layout and constant cross sectional area
- Broad torque curve, best vehicle performance from 2500-7000 RPM
- Minimum carb flange height - fits in vehicles with minimum hood modifications
- Ideal manifold for blow-thru centrifugal blower, turbocharged or nitrous applications
- High quality casting design which is lightweight, consistent wall thicknesses
- Height approximately 4.95" to the lifter valley cover flange
- Port size - 2.659" height x .918" wide
- Includes Viton intake to cylinder head O-ring gaskets
PART NUMBER: HOL-300-132
