Holley LS1/LS2/LS6 Single Plane Mid Rise Intake Manifold (HO300-137)

Holley LS1/LS2/LS6 Single Plane Mid Rise Intake Manifold (HO300-137)HO300 137 LS1 2 6 INTAKE MANIFOLD 4B EFI Suit Single 4150 EFI 4BBL 1000cfm Throttle Body Part Number: HO300 137 Single Plane MidRise EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1 LS2 LS6 style cathedral port cylinder heads. Features: 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

HO300-137 - LS1-2-6 INTAKE MANIFOLD 4B/EFI

Suit Single 4150 EFI 4BBL 1000cfm Throttle Body

Part Number: HO300-137

Single Plane Mid–Rise EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.
Features:
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
Weight - 11.5 lbs.
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