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his kit contains 2" lift blocks to lift a trailer.
Single Axle Contains (2) Lift Blocks
Tandem Axle Contains (4) Lift Blocks
Tri-Axle Contains (6) Lift Blocks
These lift blocks are 4" long, 1 3/4" wide and 2" tall
**Verify springs are 1 3/4" wide and it only works if springs are on top of the axle
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
Blocks are fabricated by Simcoe Spring Service in Ontario Canada