1989 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.8L l6 Gas OHV, 3.9L l4 Diesel OHV Turbo
1
ATP IMPROVER KIT THM400 TRANS Part Qualifier: Shift Modifier Kit
1989 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.8L l6 Gas OHV, 3.9L l4 Diesel OHV Turbo
ATP IMPROVER KIT THM400 TRANS Part Qualifier: Shift Modifier Kit
1 Per Vehicle