Source
Corvette Central
(800) 345-4122
http://www.corvettecentral.com11
Using the floor jack, we apply pressure to the rearend to rotate the pinion
enough to slide the bolts into the differential carrier mounting bracket. The
1963 and 1964 cars feature one long pass-through bolt and two shorter bolts,
while 1965-’68 cars feature two long bolts that pass through the differential.
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If you’re installing this upgraded
bracket on a 1965-’68 Corvette,
you’ll need Corvette Central’s differential
bolt kit (PN 582125), which features two
pass-through bolts that are long enough
for the reinforced bolt holes. If you’re
working with a 1963 or 1964, you’ll need
to swing by your local hardware store, as
a specific bolt kit is not available.