HotWheelsBurban
Gotta have 4 doors..... Rawhide, TOTY 2023!
Not sure of the part # but I think those are what I got from the Chevy store for Rawhide's starter last month. They have the stepped knurling, to locate the starter properly in the block. And 3/8" threads, and a 9/16" hex IIRC.It should have a stepped knurl like this.
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Though on some of the GM starter bolts, a 14mm socket works as well. That's what I used on Burb last time I replaced his starter.