Dual-plane intake manifold designed for street use, can be used on 262-400" small block V8's with Vortec type bolt patterns, fits all the cylinder heads we sell for small block chevy, or engines fitted with cast iron vortec heads, most marine applications such as volvo penta and mercruiser also use this bolt pattern Also fits Edelbrock E-Tec tops.
Q-Jet eller 4150-Style Square-Bore Carburetors. Non-EGR
Port: 1.08” x 2.11”
Torque sequence for bolts 11 ft/lbs