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Motive Gear GM75-456 Ring and Pinion Gear Set 4.56 Ratio

(Cadillac DeVille 1982-84, Fleetwood 1982-90, Brougham 1987-90; Chevrolet Camaro 1982-2002, S10 1982-2004, Impala 1977-85, 1994-96 + 57 more models)

Part of: Motive Gear Differential Ring and Pinion Gear Sets

Other options in this family: Motive Gear D60-410 Motive Gear D35-355 Motive Gear D35-456 Motive Gear GM10-5-373 Motive Gear GM10-373A

Manufacturer

Picture for manufacturer Motive Gear

Part Number

GM75-456
10 reviews
Sale Price

$267.23

1 left at this price

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Usually delivered within 2 days

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Product Details

The Motive Gear GM75-456 is a high-performance ring and pinion gear set designed for GM 7.5" (7.625") rear differentials with a 4.56:1 gear ratio. This gear set is engineered to deliver superior strength and durability for both street and off-road applications, making it an ideal choice for performance upgrades, towing, or vehicles with larger tire packages.

Key Features:

  • 4.56:1 gear ratio for improved acceleration and torque multiplication
  • Precision-manufactured using state-of-the-art CNC equipment for optimal tooth contact
  • Heat-treated high-strength steel construction for maximum durability
  • Designed for GM 7.5" (7.625") 10-bolt rear axles
  • Suitable for street, performance, and off-road applications
  • Developed and tested using racing-proven engineering methods

Motive Gear is a trusted name in drivetrain components, with products proven in racing competitions worldwide. Each gear set undergoes extensive testing and quality control to ensure reliable performance. Professional installation and proper setup with new bearings, seals, and carrier shims is required for optimal performance and longevity.

Products specifications

Fits

Cadillac DeVille 1982-84, Fleetwood 1982-90, Brougham 1987-90; Chevrolet Camaro 1982-2002, S10 1982-2004, Impala 1977-85, 1994-96, Colorado 2004-13, Malibu 1973-83, Blazer 1995-2001, Caprice 1977-96, El Camino 1977-87 + 52 more models

Calculator

Gear Ratio Calculator

Cover Bolts

10

Installation Kit Included

No

Pinion Gear Teeth

9

Pinion Shaft Diameter (in)

1.438 in.

Pinion Spline Count

27

Quantity

Sold as a set.

Ring and Pinion Ratio

4.56:1

Ring Gear Bolts

10

Ring Gear Diameter (in)

7.500 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

41

Tool

Transmission Lookup

Ring Gear Tooth Quantity

41

Differential Carrier Break

3.23 and Higher

Ring Gear Material

8620 Steel

Ring and Pinion Gear Ratio

4.56

Differential Case Design Type

GM 7.625

Differential Case Design Type

GM 7.5

Differential Case Design Type

GM 7.6 IFS

Ring Gear Diameter

7.5

Cover Bolt Quantity

10

Pinion Shaft Diameter

1.438

Ring Gear Bolt Quantity

12

Pinion Gear Tooth Quantity

9

Prop 65

WARNING: Cancer - www.p65warnings.ca.gov

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