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ReadyLIFT OEM style rear block kits are available for the 2011-2023 GM 2500 HD single rear wheel pickups with the factory Trailer Package rear springs. These Rear Block Kits include two (2) 1" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2023 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package spring 1". Based on OEM designs and never made out of lightweight extrusions our 1" GM Blocks are made from cast iron just like the factory blocks, ensuring maximum strength and reliability. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit. Like all ReadyLIFT products, these block kits come with our Lifetime Warranty. NOTE: For Use Only on 2500HD trucks that have the factory Trailer Package rear springs.
ReadyLift Suspension Leaf Spring Block Kit 66-3121
Specifications:
| California Proposition 65 | WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product. |
| Fitment | Direct Fitment |
| Install Difficulty | Difficult Requires Professional Installation |
| Installation Time | 2 Hours |
| Prop65 Chem1 | Di(2-ethylhexyl)phthalate (DEHP) |
| Description_INV | RL 1'' REAR BLOCK KIT - CHEVY/GMC |
| Description_EXT | 1" Rear Block Kit - GM Silverado / Sierra 2500/3500 HD OEM Style W/ Factory Top Overloads 2011-2023 |
| Description_MKT | ReadyLIFT OEM style rear block kits are available for the 2011-2023 GM 2500 HD single rear wheel pickups with the factory Trailer Package rear springs. These Rear Block Kits include two (2) 1" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2023 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package spring 1". Based on OEM designs and never made out of lightweight extrusions our 1" GM Blocks are made from cast iron just like the factory blocks, ensuring maximum strength and reliability. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit. Like all ReadyLIFT products, these block kits come with our Lifetime Warranty. NOTE: For Use Only on 2500HD trucks that have the factory Trailer Package rear springs. |
| Description_FAB | 20112023 GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit |
| Description_FAB | Designed for use on SRW 2500HD trucks |
| Description_FAB | Compatible with 20112023 models |
| Description_FAB | Provides 1" of rear lift |
| Description_FAB | OEM style for a seamless look |
| Description_FAB | Specifically designed for trucks with the factory Trailer Package rear springs |
| Description_FAB | Easy to install |
| Description_FAB | Durable and longlasting |
| Description_FAB | Improves overall vehicle performance |
| Description_FAB | Enhances towing capabilities |
| Description_FAB | Made by a trusted manufacturer |
| Description_FAB | Perfect for offroading or heavyduty use |
| Description_FAB | Adds a rugged and stylish look to your truck |
| Description_FAB | Increases ground clearance |
| Description_FAB | Maintains factory ride quality |
| Description_FAB | 201120112023 GM 2500HD/3500HD OEM Style 1" Rear Lift Block Kit |
| Description_FAB | Compatible with 2011 Compatible with 20112023 models |
| Description_FAB | Durable and long Durable and longlasting |
| Description_FAB | Perfect for off Perfect for offroading or heavyduty use |
| Description_DEF | Suspension Leaf Spring Block Kit |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2011 | Chevrolet | Silverado 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2012 | Chevrolet | Silverado 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2013 | Chevrolet | Silverado 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2014 | Chevrolet | Silverado 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2015 | Chevrolet | Silverado 2500 HD | High Country | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; |
| 2015 | Chevrolet | Silverado 2500 HD | LT | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; |
| 2015 | Chevrolet | Silverado 2500 HD | LTZ | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; |
| 2015 | Chevrolet | Silverado 2500 HD | WT | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; |
| 2016 | Chevrolet | Silverado 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2017 | Chevrolet | Silverado 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2018 | Chevrolet | Silverado 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2019 | Chevrolet | Silverado 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2011 | GMC | Sierra 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2012 | GMC | Sierra 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2013 | GMC | Sierra 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2014 | GMC | Sierra 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2015 | GMC | Sierra 2500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2016 | GMC | Sierra 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2017 | GMC | Sierra 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2018 | GMC | Sierra 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; | |
| 2019 | GMC | Sierra 3500 HD | OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black;,OEM Style Model Specific; Incl. Solid Cast Iron Blocks; Integrated Locating Pin; E-Coated U-Bolts; Nuts And Washers; w/Trailering Package; Black; |