Holley Performance LS Single Plane Mid-Rise Intake 300-131BK

Upper - Carbureted - Single Plane - w/Rectangular Port Cylinder Heads - Front/Rear Height 5.417 in. - RPM Power Band 2500-7000 - Black Ceramic Finish

Carbureted Single plane intake manifold. Fits all GM LS Gen III or IV engines equipped with LS3/L92 style rectangular port cylinder heads
Features:
2500-7000 RPM power band
4150 Square bore 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 - 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(R) O-ring intake to cylinder head gaskets - Viton(R) is a registered trademark of DuPont Performance Elastomers