Transmission Assembly for 1980 GMC C25/C2500 Pickup

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There are 11 choices for the 1980 GMC C25/C2500 Pickup Transmission Assembly !!!
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Automatic Transmission 4x2 TH350 lock-up converter
Automatic Transmission 4x2 TH350 Without lock-up converter
Automatic Transmission 4x2 TH400
Automatic Transmission 4x4 TH350 6 cylinder
Automatic Transmission 4x4 TH350 8 cylinder
Automatic Transmission 4x4 TH400
Manual Transmission 3 speed 4x2 side cover (Saginaw manufactured)
Manual Transmission 3 speed 4x2 top cover (Tremec manufactured)
Manual Transmission 3 speed 4x4
Manual Transmission 4 speed 4x2
Manual Transmission 4 speed 4x4