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Garage Sale - 1970-96 GM 10 Bolt 8 1/2 Inch Ring and Pinion, 8.5 R&P, 4.65 Ratio
Garage Sale - 1970-96 GM 10 Bolt 8 1/2 Inch Ring and Pinion, 8.5 R&P, 4.65 Ratio

Garage Sale - 1970-96 GM 10 Bolt 8 1/2 Inch Ring and Pinion, 8.5 R&P, 4.65 Ratio

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Garage Sale - 1970-96 GM 10 Bolt 8 1/2 Inch Ring and Pinion, 8.5 R&P, 4.65 Ratio
Garage Sale - 1970-96 GM 10 Bolt 8 1/2 Inch Ring and Pinion, 8.5 R&P, 4.65 Ratio
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Part # UP84740
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

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This is garage sale priced because it was bolted on and returned.

No Warranty, No Returns on Garage Sale Items    

 

Many 8.5 Inch ring and pinion ratios to choose from.

  • 8.50" diameter ring gear
  • 1.625" diameter pinion
  • 10 ring gear bolts
  • 10 cover bolts
  • 30 pinion splines
  • Uses LH thread ring gear bolts - 7/16"-20
  • 8.5 R&P

Note: When replacing a stock 2.56 (or numerically lower) ratio 8.5 Inch Ring and Pinion, the carrier must also be replaced with a 2.73 or higher ratio's carrier to compensate for the difference in ring gear thickness.

Application

  • Buick Full Size 1977-1996
  • Buick Electra 1976-1978
  • Regal 1973-1977
  • Century 1973-1977
  • Skylark, GS 1971-1975
  • Skylark, GS 1977-1979
  • Chevy Full Size Car 1971-1996
  • Chevy II 1971-1979
  • Nova 1971-1979
  • Camaro 1971-1981
  • Firebird TA 1971-1981
  • Cutlass 1971-1977
  • El Camino 1971-1977
  • Monte Carlo 1971-1977
  • Impala 1991-1996
  • Olds Full Size 1971-1989
  • Pontiac  Full Size 1971-1989
  • Grand Prix 1971-1977
  • Lemans 1971-1977
  • GTO 1971-1977
  • Ventura 1971-1977

Specs

Ratio:
4.56
Shaft Diameter:
1.63"
Outside Diameter:
8.50"
Spline Count:
30
Sold in Quantity:
Set
Some parts are not legal for use in California or other states with similar laws/regulations

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