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Old 01-22-2022, 05:43 PM   #1
bigmac73
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Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
12 bolt upgrade to posi parts list

Gents,
a few years ago i upgraded my rear end to all new parts and added a Eaton Posi unit.
and ever since I have seen a few threads where other members have been asking about part info on doing the same .
Today i just happen to find my parts list on my computer and thought i would share in case anyone is looking or interested.

remember the truck 12 bolt is not quite the same as a car 12 bolt. and I have a series 4 carrier
all parts where ordered from www.summitracing.com and their part numbers are listed below

Yukon Gear & Axle YA G14071751 - Yukon Gear & Axle Rear Axles
Detroit Locker 913A315 - Eaton Detroit Truetrac Differentials
Motive Gear GM12-373 - Motive Gear Ring and Pinion Sets
Yukon Gear & Axle YK GM12T - Yukon Gear & Axle Master Overhaul Kits
Yukon Gear & Axle YSPCC-010 - Yukon Gear & Axle C-Clips
Dorman 610-138 - Dorman Wheel Studs
Limited slip additive Yukon YGA-15018
Gear Lube, Heavy Duty Plus, 80W90, Hypoid, GL5, One qt., Each Part Number: LUC-10043-1 QTY 2
__________________
Mike
72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider.
421 SBC / TH350 3000RPM Stall
Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks
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