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78-7528-1 Mini Spool for GM 7.5' Rear Open Differential with 28 Spline Axle 10 Bolt Compatible with GMC Safari '85-87', Camaro '82-87'

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$111.60

$ 53 .99 $53.99

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  • Optimized for GM 7.5" Differentials: Designed to fit GM 7.5" rear open differentials with 28-spline axles and 10-bolt patterns, ensuring compatibility with specific GMC Safari ('85-'87) and Camaro ('82-'87) models.
  • Durable Mini Spool Design: Provides a cost-effective and robust solution to lock your differential for improved traction in performance and off-road applications.
  • Fits Open Carriers with Equal-Sized Windows: Specifically engineered to install in GM 7.5" open carriers with equal-sized large windows, ensuring a precise fit.
  • Requires Aftermarket 28-Spline Axles: Intended for use with upgraded 28-spline axles, offering enhanced strength and durability for high-torque and heavy-duty applications.
  • Ideal for Performance and Racing: Delivers maximum torque transfer and consistent power delivery to both rear wheels, making it perfect for drag racing, off-roading, or other high-performance needs.


Brand: Richmond Gear

Product: MINI SPOOL GM 7.5" 28 SPLINE

Compatibility:

  • Differential Model: GM 7.5" | GM 7.625"
  • Spline Quantity: 28

This mini spool is specifically designed for GM 7.5" and GM 7.625" differentials. It fits open carriers with equal-size large windows and requires aftermarket 28-spline axles. Engineered for durability and reliability, this product is suitable for various applications across a wide range of vehicle models.

Applications:

  • 1973-1975 Buick Apollo
  • 1978-1981 Buick Century
  • 1991 Buick Commercial Chassis
  • 1976-1985 Buick Electra
  • 1977-1983 Buick Estate Wagon
  • 1975-1985 Buick LeSabre
  • 1978-1987 Buick Regal
  • 1977-1978 Buick Riviera
  • 1991 Buick Roadmaster
  • 1975-1980 Buick Skyhawk
  • 1976-1979 Buick Skylark
  • 1987 Cadillac Brougham
  • 1982-1984 Cadillac DeVille
  • 1982-1986 Cadillac Fleetwood
  • 1985-1987 Chevrolet Astro
  • 1982-1987 Chevrolet Camaro
  • 1977-1987 Chevrolet Caprice
  • 1976-1987 Chevrolet El Camino
  • 1977-1979 Chevrolet Impala
  • 1978-1983 Chevrolet Malibu
  • 1978-1988 Chevrolet Monte Carlo
  • 1975-1980 Chevrolet Monza
  • 1977-1979 Chevrolet Nova
  • 1982-1987 Chevrolet S10
  • 1983-1987 Chevrolet S10 Blazer
  • 1982-1987 GMC S15
  • 1983-1987 GMC S15 Jimmy
  • 1985-1987 GMC Safari
  • 1977-1984 Oldsmobile 98
  • 1977-1987 Oldsmobile Custom Cruiser
  • 1978-1981 Oldsmobile Cutlass
  • 1985-1987 Oldsmobile Cutlass
  • 1978-1984 Oldsmobile Cutlass Calais
  • 1980-1983 Oldsmobile Cutlass Cruiser
  • 1978-1980 Oldsmobile Cutlass Salon
  • 1985-1987 Oldsmobile Cutlass Salon
  • 1978-1987 Oldsmobile Cutlass Supreme
  • 1977-1985 Oldsmobile Delta 88
  • 1975-1979 Oldsmobile Omega
  • 1977-1986 Pontiac Bonneville
  • 1977-1981 Pontiac Catalina
  • 1982-1987 Pontiac Firebird
  • 1978-1980 Pontiac Grand Am
  • 1978-1980 Pontiac Grand LeMans
  • 1978-1987 Pontiac Grand Prix
  • 1977-1978 Pontiac Grand Safari
  • 1977-1981 Pontiac Laurentian
  • 1978-1981 Pontiac LeMans
  • 1977-1986 Pontiac Parisienne
  • 1978-1979 Pontiac Phoenix
  • 1987-1989 Pontiac Safari
  • 1976-1977 Pontiac Ventura

Replaces: Motive Gear MS7.5-28

Warranty: 1 Year or 50,000 Miles

Key Features:

  • Designed for GM 7.5" and GM 7.625" differentials
  • 28-spline configuration
  • Fits open carriers with equal-size large windows
  • Requires aftermarket 28-spline axles

JS
Reviewed in the United States on May 10, 2021
Does not fit a 1975 monza unless you machine the blocks to make smaller!
Jennifer Davis
Reviewed in the United States on January 2, 2020
Easy to install and did exactly what I needed it to.