2012 GMC Sierra 3500 HD Suspension Leaf Spring Block Kit Parts
Choose your Drive Type for your 2012 GMC Sierra 3500 HD
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- 2 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers
- Rear Block Kit; 2 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers;
- Rear Block Kit
- Product Attributes:
- Lift/Drop Height: 2 In.
- WARNING CA Proposition 65: No
-
Features:
- Made From Cast Iron/Not Light Weight Extrusions
- Built In Locator Pin/Not Pressed In
- Puts Rack Back In Your Truck For Towing/Hauling
- Installation Time Is About An Hour
- Lifetime Warranty
- ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts
- Rear Block Kit; 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts;
- Rear Block Kit
- Product Attributes:
- Lift/Drop Height: 1 In.
- WARNING CA Proposition 65: No
-
Features:
- Made From Cast Iron/Not Light Weight Extrusions
- Built In Locator Pin/Not Pressed In
- Puts Rack Back In Your Truck For Towing/Hauling
- Installation Time Is About An Hour
- Lifetime Warranty
- ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads
- Rear Block Kit; 1 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads;
- Rear Block Kit
- Product Attributes:
- Lift/Drop Height: 1 In.
- WARNING CA Proposition 65: No
-
Features:
- Made From Cast Iron/Not Light Weight Extrusions
- Built In Locator Pin/Not Pressed In
- Puts Rack Back In Your Truck For Towing/Hauling
- Installation Time Is About An Hour
- Lifetime Warranty
- ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- Adjustable; 1-2 in. Lift; 1.1 Hours Install Time; Adjust Prior To Installation Progressive Lift Kit Adjusted Prior To Installation
- SuperBlok 3 In 1 Block and U-Bolt Kit; Adjustable; 1-2 in. Lift; 1.1 Hours Install Time; Adjust Prior To Installation;
- SuperBlok 3 In 1 Block and U-Bolt Kit
- Product Attributes:
- Lift/Drop Height: 1 In. To 2 In.
-
Features:
- 9 Interlocking Points Of Contact
- OEM Inspired Look And Finish
- Black E-Coated For A Durable Lasting Finish
- Lifetime Warranty
- SuperBLOK by ProRYDE 3-in-1 design allows rear lift options of 1.0 in., 1.5 in. or 2.0 in. SEMA 2012 BEST NEW OFFROAD/4x4 PRODUCT OF THE YEAR- RUNNER UP! ProRYDE SuperBLOK 3-in-1 rear leaf spring blocks are available now, and will safely lift the rear of your truck 1.0 in., 1.5 in., or 2.0 in., your choice. SuperBLOK is designed to put a slight rake back in your leveled truck for hauling or towing, or to work hand-in-hand with your ProRYDE front lift/leveling kit for a complete 4-corner lift.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- Adjustable; 1-2 in. Lift; 1.1 Hours Install Time; Adjust Prior To Installation Progressive Lift Kit Adjusted Prior To Installation~Not For Models w/Dually And OEM Camper
- SuperBlok 3 In 1 Block and U-Bolt Kit; Adjustable; 1-2 in. Lift; 1.1 Hours Install Time; Adjust Prior To Installation;
- SuperBlok 3 In 1 Block and U-Bolt Kit
- Product Attributes:
- Lift/Drop Height: 1 In. To 2 In.
-
Features:
- 9 Interlocking Points Of Contact
- OEM Inspired Look And Finish
- Black E-Coated For A Durable Lasting Finish
- Lifetime Warranty
- SuperBLOK by ProRYDE 3-in-1 design allows rear lift options of 1.0 in., 1.5 in. or 2.0 in. SEMA 2012 BEST NEW OFFROAD/4x4 PRODUCT OF THE YEAR- RUNNER UP! ProRYDE SuperBLOK 3-in-1 rear leaf spring blocks are available now, and will safely lift the rear of your truck 1.0 in., 1.5 in., or 2.0 in., your choice. SuperBLOK is designed to put a slight rake back in your leveled truck for hauling or towing, or to work hand-in-hand with your ProRYDE front lift/leveling kit for a complete 4-corner lift.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- 2 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads
- Rear Block Kit; 2 in. Cast Iron Blocks; Includes Integrated Locating Pin; E-Coated U-Bolts; Nuts/Washers; For Use w/Factory Top Overloads;
- Rear Block Kit
- Product Attributes:
- Lift/Drop Height: 2 In.
- WARNING CA Proposition 65: No
-
Features:
- Made From Cast Iron/Not Light Weight Extrusions
- Built In Locator Pin/Not Pressed In
- Puts Rack Back In Your Truck For Towing/Hauling
- Installation Time Is About An Hour
- Lifetime Warranty
- ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 2012 - GMC Sierra 3500 HD | Rear |
- Rugged Offroad 2011-20 Chevrolet Silverado/GMC Sierra 2500/3500HD 1 Rear Block
- 2011-2020 Chevrolet Silverado / GMC Sierra 2500/3500HD 1.0'' Rear Block Kit
- Rugged Off Road
- Product Attributes:
- Title: Rugged Off Road 9-9005 2011-2017 Gm 1.0''
- 2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2WD/4WD2'' Rear Block Kit. PN 9-9005Rugged Off Road 2Inch rear block kit for 2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2wd and 4wd trucks. Comes complete with vehicle specific u-bolts and hardware. Adds a nice rake for towing or hauling additional weight in the bed. Easy to install. Does not require any permanent modifications. STOP 1988-1998 Chevy Silverado / GMC Sierra 15002WD/4WD1'' Rear Block Kit. PN 9-9007Rugged Off Road 1 Inch rear block kit for 1988-1998 Chevy Silverado / GMC Sierra 15002wd and 4wd trucks. Comes complete with vehicle specific u-bolts and hardware. Adds a nice rake for towing or hauling additional weight in the bed. Easy to install. Does not require any permanent modifications.
Additional Fitment Information:
| Vehicle | Drive Type |
|---|---|
| 2012 - GMC Sierra 3500 HD | 4WD |
- Rugged Offroad 2011-20 Chevrolet Silverado/GMC Sierra 2500/3500HD 1 Rear Block
- 2011-2020 Chevrolet Silverado / GMC Sierra 2500/3500HD 1.0'' Rear Block Kit
- Rugged Off Road
- Product Attributes:
- Title: Rugged Off Road 9-9005 2011-2017 Gm 1.0''
- 2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2WD/4WD2'' Rear Block Kit. PN 9-9005Rugged Off Road 2Inch rear block kit for 2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2wd and 4wd trucks. Comes complete with vehicle specific u-bolts and hardware. Adds a nice rake for towing or hauling additional weight in the bed. Easy to install. Does not require any permanent modifications. STOP 1988-1998 Chevy Silverado / GMC Sierra 15002WD/4WD1'' Rear Block Kit. PN 9-9007Rugged Off Road 1 Inch rear block kit for 1988-1998 Chevy Silverado / GMC Sierra 15002wd and 4wd trucks. Comes complete with vehicle specific u-bolts and hardware. Adds a nice rake for towing or hauling additional weight in the bed. Easy to install. Does not require any permanent modifications.
Additional Fitment Information:
| Vehicle | Drive Type |
|---|---|
| 2012 - GMC Sierra 3500 HD | 4WD |
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