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Holley Single Plane Carb Intake - LS1

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Your Price:
$303.95 (You save $13.20)
13.00 LBS
Calculated at checkout

Product Description

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.


  • 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




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