Need to find casting # for Prc heads
#1
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Need to find casting # for Prc heads
There's a local race I want to run, that requires stock cast heads, but Prc filed the casting numbers off my heads and put there logo there. How do I prove they are gym cast heads, which they are?
#2
TECH Addict
Take the valve cover off and the # is inside in the middle. See in the pic 4243 is inside the head. That means it is a 243 head. On my 5.3 heads it has 1706 which are 706 heads.