Oldsmobile, Pontiac Limited Slip Differential Assembly - Rear - USA Standard Gear - ZP PGM8.5O-3-31

Limited Slip Unit
ZP PGM8.5O-3-31
,12,3.08,3.23,31spl,8.5,BOLT,COMPLETE,factory,GM,OLDS,or,POSITRACTION,R&P,RG,s,ZP,
81-65 OLD/PON
8.5" Oldsmobile 31Spline 12 BOLT (factory 3.08 or 3.23, or Richmond Gear R&P)
8.5"OLDS 31spl 12 BOLT (factory 3.08 or 3.23, or RG R&P's)
8.5" Oldsmobile 31spline 12 bolt (factory 3.08 or 3.23, or Richmond gear ring & pinions).
This clutch-type limited slip positraction unit is suitable for daily driven vehicles and mild off-road use. Its clutches work to maintain synchronization between the tires, transferring more torque to the tire that has the best grip while reducing torque transfer to the tire that has less grip.
Positraction
Fits 8.5" Oldsmobile
12 bolt design
31 spline
OEM 3.08 and 3.23 gear sets only
8.5" Oldsmobile 31Spline 12 BOLT (factory 3.08 or 3.23, or Richmond Gear R&Ps