Belltech SHOCK ABSORBER STREET PERFORMANCE (221066) 1989-gmc-r2500-sierra-classic-esi5567621 The lowering springs will increase

The lowering springs will increase cornering and handling

CNC machined V-band inlets and outlets ensure an OE-style

rotary knob will adjust both compression and rebound in one device

Relocates ACC Module Into Grille

NOTE: Not for use on pressurized side of supercharged or turbocharged applications

Belltech SHOCK ABSORBER STREET PERFORMANCE (221066) 1989-gmc-r2500-sierra-classic-esi5567621 The lowering springs will increaseThe Belltech Street Performance lowering shock lineup has been engineered to provide a premium ride quality for today's trucks and SUV's. Our engineers focused their attention on tuning the low speed compression characteristics of this shock absorber, which is responsible for controlling your Sport Truck or SUV's pitch and roll, dive and squat to help keep you confident and in control. The "Progressive" rebound tuning will complement large aftermarket