World Products 042660 S/R Torquer 170cc Bare Head, 67cc Chamber Iron Cylinder Head

Description

Small Block Chevy S/R Torquer Cast Iron Cylinder Head170cc Intake Ports67cc Combustion ChambersCut for 2.020'' Int/1.600'' Exh ValvesBare Head, Sold Individually 170cc intake runnerMaterial: High density cast iron Valve Seats: Integral intake,hardened steel exhaust Valve Size: 2.020'' x 1.600'' (1.940'' x 1.500'' for S/R Torquer 305) Rocker Arm Studs: 3/8'' shank, screw-in style with hex shoulder furnished (complete assemblies only) Accessory Flange: Stock locations, 7-bolt universal patternIncluded In Assembly: Erson stainless steel, ring and band valve seals, valve springs, Erson 7° retainers and keepers.Recommended Installation Items: Head Gaskets: Fel-Pro #1003 (265-350) or equivalent. Puhshrods: OEM can be used. Hardened not required Spark Plugs: Accepts 14mm-5/8'' .460'' reach tapered seat (Accel 274 or 276, AC-Delco 43TS or 44TS, Champion #670 or #802) or equivalent Intake Gasket: Fel-Pro #1204 or #1256 or equivalent Exhaust Gasket: Fel-Pro #1404 or #1405 or equivalent