LS3/L92 Holley Single Plane Mid Rise Single Carb Intake Manifold


Model Number: 300-131

Carbureted Single plane intake manifold. Fits all GM LS Gen III or IV engines equipped with LS3/L92 style rectangular port cylinder heads.

Includes mounting bolts & washers as well as pipe plugs for Manifold vacuum and MAP sensor ports. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal.


•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® O-ring intake to cylinder head gaskets – Viton® is a registered trademark of DuPont Performance Elastomers


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