Description

Brand new, no box.

Per Holley’s site:Carbureted single plane intake manifold. Fits 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 carb mounting flange (accepts up to 1.75″ diameter 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
• 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) – 4.95″ to the lifter valley cover flange at the engine block front flange
• Port size – 2.659″ height x .918″ wide
• Includes Viton intake to cylinder head O-ring gaskets – Viton is a registered trademark of DuPont Performance Elastomers