This kit contains 2" lift blocks to lift a TANDEM-AXLE 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
(4) 2" Fabricated lift blocks
(8) Ubolt come bent at either 2 3/8" round at 8.5" long or 3" round at 9.5" long. Ubolts come either 1/2" or 9/16" in diamter (check variants)
(16) Nuts and washers for Ubolts
Torque 1/2" Ubolts to 75-90 FTLBS
Torque 9/16" Ubolts to 90-120 FTLBS
Some Ubolt plates can't handle the higher torque ratings so start at the lower torque settings and work your way to a higher level of torque.
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
Old Part numbers: TLBK-238, TLBK238, TLBK300, TLBK-300