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Part fits the following years: 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988

Monte Carlo Differential, Limited Slip, Posi 8.5" Ring Gear, All Gear Sets - 28-Spline

Part# CH21566

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SAVE: $51.96 Retail: $571.95

OPGI Price: $519.99

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Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2015 Late Monte Carlo Catalog Page: 106

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Complete unit

Includes carbon fiber clutches with 1017 spider gears

  • NOTES
  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

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

Make & ModelYear RangeApplication Details
Chevrolet Chevelle1964-1977 10-Bolt, 8.5, All Gear Sets
Chevrolet Malibu1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
Chevrolet El Camino1964-1977 10-Bolt, 8.5, All Gear Sets
Chevrolet El Camino1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
Chevrolet Monte Carlo1970-1977
Chevrolet Monte Carlo1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
Buick Regal1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
Buick T-Type1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
Buick Grand National1978-1988 8.5" Ring Gear, All Gear Sets - 28-Spline
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