ReadyLift 66-3121 1" Rear Block Kit
66-3121 Rear Block Kit will safely add 1" of lift to your 11-14 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. Like all ReadyLift
products, these block kits come with our lifetime warranty.
- 1" Rear Lift
- OEM Style Design
- Built-In Locator Pin
- Durable Cast-Iron Construction
- Works Great W/ Torsion Key Leveling Kit
For use only on Single Rear Wheel (SRW) 2500HD trucks that have factory trailer package rear springs.
Fits 3500HD Dually