Holley Single Plane EFI LS1 Intake Manifold
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
- 2500-7000 RPM power band
- 4150 Square bore flange
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
- Minimum carb flange height - fit in vehicles with minimum hood modifications
- Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
- Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
- Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
- Port size - 2.50" height x 1.15" wide
- Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
- Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
Part #: 300-137
Weight: 17 lb.
Length: 23 in.
Width: 14 in.
Height: 7 in.
Brand: Holley EFI
Emission Code: 3
Engine: GM LS1/LS2/LS6
Flange Style: 4150 Square Bore
Front Height: 5.417 in.
Fuel System Type: EFI
Manifold Type: Single Plane
Rear Height: 5.417 in.
RPM Power Band: 2500-7000
In Store Pickup: Anaheim, CA, USA