SONNY'S 14.5 DEGREE AS CAST CYLINDER HEADS
This unique cylinder head was designed by Sonny's for 500-632 cu.in. engines. These cylinder heads are available in 4.840 bore spacing. We offer the heads with ductile seats and replaceable bronze drive-in step guides. These Pontiac castings have incorporated the heart shape combustion chambers and spread port design intake runners. Cylinder heads come complete with Manley stainless steel valves, Manley springs and retainers. (cylinder heads priced per pair) These are the same cylinder heads used on our Sonny's 615 cu.in. pump gas street engines, and Sonny's 632 1x4 engine. Sonny's also offers a one piece rocker bar system at an additional cost for these cylinder heads, (call for pricing) . SAR can also supply you with custom sheetmetal billet rail valve covers and cast or sheetmetal intakes.
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