CHEVROLET 2500 PICKUP 98 Assembly (4 wheel ABS); vacuum brake booster, brake opt JB6. CHEVROLET 2500 PICKUP 99-00 Assembly (4 wheel ABS); 5.7L, vacuum brake booster, brake opt JB6. CHEVROLET 2500 PICKUP 99-00 Assembly (4 wheel ABS); 6.5L (diesel), vacuum brake booster, brake opt JB6.
