There are 5 choices

Choose One

3.21 ratio (opt HC8)
3.23 ratio (opt GU5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)

Front Axle Assembly for 1978 GMC C25/C2500 Pickup

Attention!

There are 5 choices for the 1978 GMC C25/C2500 Pickup Front Axle Assembly !!!
Choose Your Option

3.21 ratio (opt HC8)
3.23 ratio (opt GU5)
3.42 axle ratio (opt GU6)
3.73 ratio (opt GT4)
4.10 ratio (opt GT5)

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