3.73 Ratio Performance Differential Ring and Pinion for 8.5 (Inch) (10 Bolt)

145873
145874
145875
145876
2507

Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Our gear sets are made from first-run steel, we never use recycled metal. This allows Motive Gear Performance ring and pinions to handle the extreme torque from high horsepower racing engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios, makes Motive Gear Performance ring and pinions the clear winner! Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in our in-house lab. Motive Gear Performance: What the pros run!

G885373 Application Notes

Warranty

2 Years or 100,000 Miles

G885373 Specifications

Cover Bolt Quantity 10
Differential Carrier Break 2.73 Ratio and Higher
Differential Case Design Type GM 8.5, GM 8.625
Pinion Gear Tooth Quantity 11
Pinion Shaft Diameter 1.626 (Inch)
Pinion Spline Count 30
Ring & Pinion Gear Ratio 3.73
Ring Gear Bolt Quantity 10
Ring Gear Diameter 8.5 (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 41
Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential, LD Differential
Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C GM 8.5, GM 8.625, GM 8.5, GM 8.625, GM 8.5, GM 8.625, GM 8.5, GM 8.625, GM 8.5, GM 8.625
Taxonomy D Front or Rear, Front or Rear, Front or Rear, Front or Rear, Front, Rear
Where to buy

Vehicle Applications

  • 1987 – 2005 Chevrolet Blazer

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1977 – 1986 Chevrolet K10

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1977 – 1986 Chevrolet K10 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1988 – 1999 Chevrolet K1500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1993 – 1999 Chevrolet K1500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1977 – 1986 Chevrolet K20

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1977 – 1986 Chevrolet K20 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1988 – 1991 Chevrolet K2500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1975 – 1986 Chevrolet K5 Blazer

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1991 – 1994 Chevrolet S10 Blazer

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 Chevrolet V10

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 – 1988 Chevrolet V10 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1989 – 1991 Chevrolet V1500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 Chevrolet V20

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1987 – 1988 Chevrolet V20 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1989 – 1991 Chevrolet V2500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1988 – 1992 Dodge Vixen

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1970 – 1991 GMC Jimmy

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1979 – 1986 GMC K1500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1988 – 1999 GMC K1500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1979 – 1986 GMC K1500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1992 – 1999 GMC K1500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1979 – 1986 GMC K2500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1988 – 1991 GMC K2500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1979 – 1986 GMC K2500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 GMC V1500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 – 1991 GMC V1500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • Requires a 2.73 and Numerically Higher Ratio Carrier
  • 1987 GMC V2500

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher
  • 1987 – 1991 GMC V2500 Suburban

    Application notes:

    • For GM 8.5"/8.625" (10 Bolt)
    • Performance Ring and Pinion
    • 3.73 Ratio
    • 2.73 Ratio Carrier and Higher

Installation

Installation Instructions
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