Small Block Chevy 327-400ci S/R Torquer Cast Iron Cylinder Heads
Material: 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 pattern
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
What do they flow?
What material are the valve guides?
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