Edelbrock designed this 61779 SBM Performer RPM Magnum Cylinder Head for 318-360 Small Block Chrysler engines. This Semi-Open chamber cylinder head is perfect for street performance, daily drivers, street rods as well as muscle cars where seat-of-the-pants performance is needed. This cylinder head also delivers great throttle response as well as power from 1500 to 6500 rpm. Fully threaded inserts for the rocker studs and exhaust manifold bolt holes deliver strength as well as durability. Also, the machined valve cover rail produces an optimum gasket sealing surface. This complete cylinder head includes guide plates, rocker studs, springs for hydraulic roller cams, bronze valve guides, hardened seats as well as high-quality stainless steel valves for direct bolt-on application. For use on pre-pollution-controlled vehicles only. Edelbrock 61779 SBM Performer RPM Magnum Cylinder Head Features: Combustion Chamber Volume: 58cc Intake Runner Volume: 176cc Exhaust Runner Volume: 75cc Intake Port Shape: Rectangle Exhaust Port Shape: Square Intake Valve Diameter: 2.020 in. Exhaust Valve Diameter: 1.600 in. Maximum Valve Lift: 0.580 in. Camshaft Style: Flat Tappet Outside Diameter of Outer Spring: 1.460 in. Deck Thickness: 0.625 in. Deck Height: 9.60 in. Rocker Stud Diameter: 0.375 in. Pushrod Diameter: (Suggested) 0.312 in. Sold Individually Notes: Spark plug location has been moved .150 closer to the bore center. Please check clearance if using a domed piston. The Edelbrock name has been a staple of the automotive performance industry since the 1940’s. Their product line includes virtually everything under the hood, from individual components to complete engines. As a result, this makes Edelbrock one of the most recognized and trusted brands in the racing as well as the performance world!
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