The ReadyLift 66-3121 Rear Block Kit will safely add 1" of lift to your GM 2500HD/3500HD Pickup. This will add a slight rake back into your truck for hauling or towing. The ReadyLift Block is based on OEM designs and made from heavy-duty cast iron just like the factory blocks. This ensures maximum strength and long-term reliability.
Features:
- 1" Rear Lift
- OEM Style Design
- Built-In Locator Pin
- Durable Cast-Iron Construction
- Works Great W/ Torsion Key
Manufacturer Warranty*:
Lifetime Structural / 1 Year Wearable Components
Lifetime Structural / 1 Year Wearable Components
Note:
For use only on Single Rear Wheel (SRW) 2500HD trucks that have factory trailer package rear springs.
For use on 3500HD dual rear wheel trucks.
For use only on Single Rear Wheel (SRW) 2500HD trucks that have factory trailer package rear springs.
For use on 3500HD dual rear wheel trucks.