400 Amp Alternator for GM 4.2 6 cylinder Are you ready for the ultimate alternator upgrade to the venerable 4.2L GM engines? Look no further than our new custom billet housing 400-amp option! With 200 amps of available output just at idle... MSRP: Was: Now: $699.00 addChoose Options favorite_border remove_red_eye
240 Amp Alternator for GM 4.2 6 cylinder with 4 pin plug G Series Based on our late model large case GM housings, the tried-and-true G series of alternators are our best sellers. Reasonably priced, these units feature solid copper custom rectifiers with... MSRP: Was: Now: $349.00 addChoose Options favorite_border remove_red_eye
