Carbureted single plane intake manifold. Fits all Gm Ls Gen Iii or Iv engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads

Features and Benefits:

• Includes Viton intake to cylinder head O-ring gaskets - Viton is a registered trademark of DuPont Performance Elastomers 4150 Square bore carb mounting flange (accepts up to 1.75 inch diameter throttle bores) Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality Port size - 2.659 inch height x .918 inch wide Cast aluminum construction - great manifold for centrifugal blower, turbocharged or Nos power adder applications Height (front) - 4.95 inch to the lifter valley cover flange at the engine block front flange Weight - 11.5 lbs
• Minimum carb flange height - fits in vehicles with minimum hood modifications 2500-7000 RPM power band

Associated Comments:

• Includes mounting bolts & washers as well. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal.

Details:

• Barrel Quantity: 4.0
• Basic Operating RPM Range: 2500-7000 RPM
• Cnc Ported: No
• Carburetor Flange: Square/4150
• Carburetor Quantity: 1.0
• Carburetor Studs Included: No
• Color: Natural
• Construction: Cast
• Cylinder Head Port Shape: Cathedral
• Deck Height: 9.24 Inch
• Egr Port: No
• Engine: Gm LS1/LS2/LS6
• Flange Style: 4150 Square Bore
• Front Maximum Height: 4.95 Inch
• Fuel Injectors Included: No
• Fuel Rail(s) Included: No
• Fuel System Type: Carb
• Gasket Or Seal Included: No
• Grade Type: Performance
• Intake Port Gasket(s) Included: No
• Manifold Type: Single Plane
• Material: Aluminum
• Nitrous Bung(s) Included: No
• Plenum Finish: Natural
• Rear Maximum Height: 4.95 Inch
• Removable Runners: No
• Removable Top/Lid: No
• Single Or Dual Plane Type: Single Plane
• Throttle Body Bore Diameter: 3.6
• Throttle Body Gasket Included: No
• Throttle Body Included: No
• Vacuum Ports: Yes
• Warranty: Manufacturer's Limited 90 Day Warranty