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copo69
09-23-2004, 07:43 AM
does gm make a steel crankshaft with a 4.250 stroke with a gm stamp on the crankshaft for the big block chevy? if so does anyone have a part number?// need 5this info asap please thank you

442olds
09-23-2004, 10:42 AM
In the new 8100 truck big blocks they use a 4.25" crank. That would probably have GM stamped on it, but that would also be a one piece rear main seal, and I am guessing your working with an older block given your call name of copo69. So that probably wouldn't work for your purposes.