pair of heads on a 454 bbc Engine i have.. they are 840 GM rectangle port Closed chamber heads.. . the heads are in good shape but do need a couple heli-coils on the Intake manifold side of Head .. they were on a running engine... date coded jan&feb of 1969 and have the Large 1.88 exhaust valves .. the intake i measured and look to be 2.25 but a chance they could be stock 2.19 size.. .. they are set up for a Hyd Roller cam around 600 lift.. titanium retainers complete, no rockers though.. will need about 2-3 Heli-coils on the intake side .. asking 900 obo. these were the High comp version of the 990 heads.. in great shape.. fix intake threads and bolt on and go.. dropping compression from 11 1/4 to 10to1 is only reason for removing.. 900 obo or trade for Oval port aluminum heads plus cash my end??? 530-333-1047 Bill located near Sacramento Ca.
Eng. Parts Chevy BBC 840 closed chamber heads 2.25/1.88 valves, dated 1969 Semi Fresh build
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