musclecarman15
Well-Known Member
Wanted... original 383/440 oil pan bolts ...they have a recessed head ,captive washer with head marking 23 and three slashes around the number 23...size of the bolt is a 5/16-18 thread with a 1/2 in head...thickness of washer is .055, diameter of washer is .62...need 20 of them ,what do you have ..these bolts came on 383/440 with windage trays...also have a nylon pellet in them...these bolts differ from a big block timing cover bolt as the washer is only .055 thick vs .08 on a timing cover..thx Keith 318-393-1502
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