1967-1968 396 or 427 BBC Heads
Casting number 3917215. Has Manley 2.19 intake valves and 1.88 exhaust. Springs can't handle a .700 lift had a solid roller cam in my engine. These are good heads had these on my drag car for 13 1/8th miles passes ran 7.19 with these heads in a 3100lb car.ROCKER ARMS NOT INCLUDED.
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