The ReadyLift 66-3122 Rear Block Kit will safely add 2" of lift to your GM 2500HD/3500HD SRW 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:
- 2" Rear Lift
- OEM Style Design
- Built-In Locator Pin
- Durable Cast-Iron Construction
- Works Great W/ Torsion Key Leveling Kit
Application Notes:
For Use Only on Single Rear Wheel 2500HD trucks that have the factory
Trailer Package rear springs.
This kit is not compatible with HD trucks
equipped with top-mounted overload springs.
For Use On 3500HD dual rear
wheel trucks.
Includes new longer U-bolts
and hardware OEM style cast iron construction.