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Part fits the following years:1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971

Auburn Gear

1964-71 Cutlass Differential, Limited Slip High-Performance Series 10-Bolt, 8.2, 3.36 & Up

Part# G221570


Mfg# 5420113

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SAVE: $42.96 Retail: $472.95

OPGI Price: $429.99


Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH


  • NOTE1: ONLY high-quality, NON-SYNTHETIC 80W90 GL-5 spec gear oil treated with GM or Ford limited slip additive—aka friction modifier—must be used with Auburn differentials.
  • NOTE2: These high-performance items are not eligible for any further discounts or promotional pricing.

Auburn's torque sensing limited slip differentials use an innovative cone-shaped clutch, which engages the differential case, coupled to a beveled side gear providing max traction. When the differential senses one wheel spinning faster than the other, the cone clutch engages tighter, and through the use of springs and their preload, equalizes the torque bias to each wheel. They are available in two versions; one is the Pro Series for ultra-high-performance applications. The high-performance series has a standard spring preload for stock type street use, while the Pro Series uses much higher spring preload for instantaneous torque sensing traction.

Make & ModelYear RangeApplication Details
Pontiac GTO1964-1971 8.2, 3.36 & Up
Pontiac LeMans1964-1971 8.2, 3.36 & Up
Pontiac Tempest1964-1971 8.2, 3.36 & Up
Pontiac Grand Prix1969-1972 8.2, 3.36 & Up
Olds Cutlass/4421964-1971 10-Bolt, 8.2, 3.36 & Up
Buick Skylark1964-1971 8.2, 3.36 & Up
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