Uni U Bolt Set: Xtr Long BOP 67-72 era (6 cm)
This is what holds the universal joint into the front of the diff.. as boring as this is.. its a PITA when you try to search out for one and bugger all people know about them or have them..
The difference between similar engineering in 10 or 12 bolt diffs.. and 12 bolt that are in fact internally 10 bolts is a long story..but ...on this U bolt the vital info is this is 6 cm deep.. from arch top to base of the thread.
Found on the rarer BOP diffs (Buick Oldsmobile Pontiac) in the latter 60's USA made with the 10 bolt external and 12 bolt internal 8 1/4" ring gear. The BOP Axles are normally 28 spline.. but don't use C clips.
If looking for a standard Chevy type Unit U bolt set check part # PW12916
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This is what holds the universal joint into the front of the diff.. as boring as this is.. its a PITA when you try to search out for one and bugger all people know about them or have them..
The difference between similar engineering in 10 or 12 bolt diffs.. and 12 bolt that are in fact internally 10 bolts is a long story..but ...on this U bolt the vital info is this is 6 cm deep.. from arch top to base of the thread.
Found on the rarer BOP diffs (Buick Oldsmobile Pontiac) in the latter 60's USA made with the 10 bolt external and 12 bolt internal 8 1/4" ring gear. The BOP Axles are normally 28 spline.. but don't use C clips.
If looking for a standard Chevy type Unit U bolt set check part # PW12916
