2" Rear Block Kit - 73-91 GM 3/4 Ton Suburban

2" Rear Block Kit | Multiple Applications

Starting At*: $64 - $106
FREE Shipping on ALL ORDERS!*
*within the contiguous US; ground shipments only.
Price*: $63.99
FREE Shipping on ALL ORDERS!*
*within the contiguous US; ground shipments only.
Find a Dealer CALL 800-551-4955
CALL 800-551-4955
Find a Dealer CALL 800-551-4955
CALL 800-551-4955

Your Selected Product Fits These Vehicles

  • 1975-1986 Chevrolet K20
  • 1973-1974 Chevrolet K20 Pickup
  • 1973-1986 Chevrolet K20 Suburban
  • 1975-1978 GMC K25
  • 1975-1978 GMC K25 Suburban
  • 1973-1974 GMC K25/K2500 Pickup
  • 1973-1974 GMC K25/K2500 Suburban
  • 1979-1986 GMC K2500
  • 1979-1986 GMC K2500 Suburban
What is this?View Complete Details
  • This is a 2” rear lift block kit for specific models
What does it include?
  • 2 cast iron blocks, four u-bolts, all nuts and washers needed for installation
  • Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation

Superlift rear block kits help distribute the weight of your cargo and improve the towing performance of your truck. They'll also give your rear a little lift to bring it back to the proper ride height.

Superlift's block kits include two cast iron lift blocks and four U-bolts with factory type Hi-nuts and flat washers. The blocks are cast from Class 30 Gray Iron, the same material used by vehicle manufacturers for their spacer blocks. Our U-bolts are manufactured from low allow, high strength steel. The anti-corrosion finish is either Zinc or E-coat


  • Installation time: 1 hour
  • Difficulty level: 1 of 5
19 Total
William N. Verified Buyer
16 July 2021
Great product worked as expected
I use to run superlift springs and drag link in the 90's and got great products so I figured I'd try the ubolts and 2" blocks and thy were great as well I'd definitely buy again
Toren N. Verified Buyer
11 June 2020
Shipped blocks crazy fast had them in 3days from purchase date.
Stanley J. Verified Buyer
9 December 2019
These lift blocks were a breeze to install.
Alan C. Verified Buyer
2 September 2019
great customer service
I ordered the wrong parts for my truck. Talked to the team at super lift and they corrected my mistake and sent the correct parts out immediately. Had a great experience and will definitely use them for my future projects
Chris G. Verified Buyer
18 December 2018
Can't get any easier to install and looks great
David H. Verified Buyer
31 December 2017
Perfect Fit
It was everything they said, fit like a charm, made my truck look great
Jonathan W. Verified Buyer
15 September 2017
2in block kit
Very good
Adrian Z. Verified Buyer
18 August 2020
2 inch rear
great product but did not come with instructions, once I figured it out , it came out great.
Dan W. Verified Buyer
4 August 2021
2” lift 1988 4runner
Perfect fit! Everything you need for the job.
Kenneth K. Verified Buyer
1 July 2020
Had the wrong nuts and the u-bolt length was to short. Contacted customer service and they sent new bolts and nuts. The bolts fit good but the nuts were still wrong. Had to put old nuts back on instead of new ones.
Glenn S. Verified Buyer
26 December 2019
2003 F250 4x4 Lariat
Rear axle shifts, so be ready to brace axle so it doesn't move.
Travis M. Verified Buyer
6 March 2019
U bolts not long enough
Ben B. Verified Buyer
27 January 2019
Only bad thing that happened was the U-bolts were about 1.25” too long.
Nicolas Anderson Verified Buyer
27 November 2016
Everything went smooth and it
Everything went smooth and it was an easy process.
Danny D. Verified Buyer
1 October 2020
7 of the 8 washers supplied where the correct size for the u bolts.