1968-1978 GMC K35 L6 4.8L 12si High Output Alternator JS Alternators This alternator comes with a

This alternator comes with a stock-size pulley

Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator

Pocket inside for fuses to fit perfectly and 1/4 inch cover for maximum strength these are built to last

we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed

1968-1978 GMC K35 L6 4.8L 12si High Output Alternator JS Alternators This alternator comes with aFitment: This is a direct fit high output alternator for the 1968 1978 GMC K35 4. 8L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a selection of