Small Block CHEV 350 (Complete)
Description
These heads are designed for entry-level street performance engines and ideal for operating in the idle to 6500 rpm range. Made from A356 aluminium castings, these complete heads include larger-than-stock 1.43" (36.3mm) dual valve springs to handle up to 0.575" (14.61mm) maximum valve lift. They produce over 280cfm. The combination of a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending, and professional assembly means these heads outperform some of the best brands in the business. Recommended spark plugs are 14mm x 3/4" reach with flat gasket seat.
Specifications
Combustion Chamber Volume: 64cc Chamber
Exhaust Runner Volume: 70cc Intake Runner Volume: 200cc Valve Spring Diameter: 1.430" (36.3mm) Dual springs Valve Material: Stainless Steel Valve Guide Material: Manganese Bronze Valve Stem Seal Material: Viton Maximum Valve Spring Lift: .575" Spring Installed Height: 1.85" Spring Pressure: 100lbs@ 1.85" / 300lbs@ 0.575" Outer Diameter of Outer Spring: 1.430" dual with internal spring |
Guide Plate Pushrod Size: 5/16" (must use hardened Pushrods)
Spark Plug Style: Straight Rocker Stud Thread Size: 7/16" Lock Style: 7 Degree Maximum Valve Lift: 0.575" (14.61mm) Intake Port Volume: 200cc Intake Valve Diameter: 2.02" Exhaust Port Volume: 70cc Exhaust Valve Diameter: 1.60" Recommended Intake Gaskets: FELPRO 1206 Recommended Exhaust Gaskets: FELPRO 1406 |