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Photo of Differential, Eaton, 10-Bolt, 8.5, 28-Spline Posi
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Eaton

Differential, Eaton, 10-Bolt, 8.5, 28-Spline Posi

Vehicle Specific View fitment for 10 models
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Part# CH21566
Mfg# EAT19557-010
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$709.99
List Price: $781.95
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Includes carbon fiber clutches with 1017 spider gears

Turn your "peg-leg" into a limited slip rear end with Eaton's "Posi Limited Slip Differential" unit. Complete with a new carrier filled with carbon fiber clutch packs, stout Posi clutch springs and high-strength 1017 spider gears. Each unit comes with a 1-year unlimited warranty.

Notes

  • This item is not eligible for any further discounts or promotional pricing.

Find Item In These Catalogs

  • 2024 Chevelle, El Camino 64-77 237
  • 2024 GM G-Body 1978-1988 100
  • 2024 Monte Carlo 70-77 110
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 8.5" ring gear, all gear sets - 28-spline
1984–1987 Buick Grand National 8.5" ring gear, all gear sets - 28-spline
1978–1987 Buick Regal 8.5" ring gear, all gear sets - 28-spline
1983–1987 Buick T-Type 8.5" ring gear, all gear sets - 28-spline
1964–1977 Chevrolet Chevelle 10-bolt, 8.5, all gear sets
1964–1987 Chevrolet El Camino 1964–1977: 10-bolt, 8.5, all gear sets
1978–1987: 8.5" ring gear, all gear sets - 28-spline
1978–1983 Chevrolet Malibu 8.5" ring gear, all gear sets - 28-spline
1970–1988 Chevrolet Monte Carlo 1970–1977: 10-bolt w/8.5" ring gear, all gear sets
1978–1988: 8.5" ring gear, all gear sets - 28-spline
1978–1987 Oldsmobile Cutlass 8.5" ring gear, all gear sets - 28-spline
1982–1986 Pontiac Bonneville 8.5" ring gear, all gear sets - 28-spline
1978–1987 Pontiac Grand Prix 8.5" ring gear, all gear sets - 28-spline
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Differential, Eaton, 10-Bolt, 8.5, 28-Spline Posi
Eaton Differential, Eaton, 10-Bolt, 8.5, 28-Spline Posi