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GM 8.5" F&R/GM 8.6" Ring and Pinion

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GM 8.5" F&R/GM 8.6" Ring and Pinion

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GM 8.5" F&R/GM 8.6"

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Ring Gear Diameter 8.5"
10 7/16" X 20 RH Threaded Bolts
Pinion Diameter 1.626" 30 Splines
Case Ratio: 2.56:1 & Numerically Lower
Case Ratio: 2.73:1 & Numerically Higher
8620 Material - Heat Treated

11" 10 Holes, Irregular Front
10 5/8" 10 Holes, Irregular Rear

SKU 342032
O.E.M. Carrier Type OPEN
Available With N/A
Year 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, 1973, 1972, 1971, 1970
Make Chevy / GM
Jeep CJ
Axle Size 11" Irregular or 10 5/8" Irregular
Ratio 4.11:1
Side Gear Spline 30
Bolts 10
Drivetrain Front and Rear