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Rear Axle Assembly for 1977 GMC K25/K2500 Suburban
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There are 8 choices for the 1977 GMC K25/K2500 Suburban Rear Axle Assembly !!!
Choose Your Option
4x2 3.42 axle ratio (opt GU6)
4x2 3.73 ratio (opt GT4)
4x2 4.10 ratio (opt GT5)
4x2 4.56 ratio (opt HC4)
4x4 3.42 axle ratio (opt GU6)
4x4 3.73 ratio (opt GT4)
4x4 4.10 ratio (opt GT5)
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