Lowering Rate: R: 2.0"
Lowering Rate: R: 1.0"
X21: RL: .5" (lift) Lowering Rate: R: 0.5"
Browse our selection of quality leaf spring shackle lowering kit parts designed specifically for your GMC Sierra 1500 Classic. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Denali · Hybrid · SL · SLE · SLT · WT
Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V6 4.3L · V8 4.8L · V8 5.3L · V8 6.0L
Automatic · Manual
