B&M Racing Differential Cover (71506) 1557 Helps prevent oil starvation and

Helps prevent oil starvation and engine failure on the track and in high-G situations

Many Have Extra O-Rings

available unpainted if you'd like to paint-match to your exterior paint color

w/ 2 Wheel ABS 1983 GMC S15 Jimmy 1984 GMC S15 Jimmy 1985 GMC S15 Jimmy 1989 GMC S15 Jimmy 1990 GMC S15 Jimmy 1991 GMC S15 Jimmy

billet mounting collar with standard 3-bolt mounting pattern and hardware

B&M Racing Differential Cover (71506) 1557 Helps prevent oil starvation andB&M's Cast Aluminum Differential Cover for the AAM 9. 5 and 9. 76 differentials is designed to strengthen the differential by preventing case distortion and ring gear & bearing cap deflection. Constructed of military grade (MIL A 8625) black anodized A356. 0 T6 aluminum, these rugged covers significantly increase the fluid capacity and dissipate heat much faster than the stock factory unit to prolong the life of your ring and pinion gears. Additional