1987 GMC V1500 V8 5.7L 12si High Output Alternator Pulley:V-Belt Pulley None of that CCA (copper-clad

None of that CCA (copper-clad aluminum) that's used in inferior products

then 4GA is plenty

This knob has all the goodies wrapped up in one for the best quality knobs with options in the game today

Being a direct fit alternator with an adjustable bracket

This is a direct fit high-output alternator for the 2012-2014 Volkswagen Passat 2

1987 GMC V1500 V8 5.7L 12si High Output Alternator Pulley:V-Belt Pulley None of that CCA (copper-cladFitment: This is a direct fit high output alternator for the 1987 GMC V1500 5. 7L. 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