We are changing our kits.  If we are out of stock click "HERE" for the new design.

Watch this video before odering


BEFORE ORDERING, CONFIRM YOUR SPRINGS ARE ON TOP OF THE AXLE!

If they are located under the spring please look at purchasing a over/under conversion kit instead which can be found here: Over/Under Conversion kit.

This kit contains 1" lift blocks to lift a trailer.

**Verify springs are 1 3/4" wide and it only works if springs are on top of the axle

Always measure your Ubolts on the threaded part
1/2" or 0.500" measured on threads
9/16" or 0.562" measured on threads

Torque 1/2" Ubolts to 65-70 FTLBS
Torque 9/16" Ubolts to 85-95 FTLBS

Includes:

Single Axle Kit:
(2) of 1" Tall Solid Steel Lift Blocks
(4) Ubolts bent at either 2 3/8" round at 7.5" Long or 3" round at 8.5" long.
     Ubolts come either 1/2" or 9/16" thread diameter
(8) Nuts and washers for Ubolts

Tandem Axle Kit:
(4) of 1" Tall Solid Steel Lift Blocks
(8) Ubolts bent at either 2 3/8" round at 7.5" Long or 3" round at 8.5" long.
     Ubolts come either 1/2" or 9/16" thread diameter
(16) Nuts and washers for Ubolts

Tri-Axle Kit:  (Tri-axle kit will be shipped in 2 boxes due to weight restrictions)
(6) of 1" Tall Solid Steel Lift Blocks
(12) Ubolts bent at either 2 3/8" round at 7.5" Long or 3" round at 8.5" long.
     Ubolts come either 1/2" or 9/16" thread diameter
(24) Nuts and washers for Ubolts

These kits are made from all Canadian steel.
Steel bars are made in Canada
Ubolt rods are made in Canada
Blocks are fabricated and Ubolts are bent all by Simcoe Spring Service in Ontario Canada