Ubolt Kits For Trailers With Lift Blocks (Kit services 1 Axle)

***ORDER 1 KIT PER AXLE***
Order 1, 2 or 3 kits depending on how many axles you have on your trailer

Increased ubolt length to accommodate your lift blocks (blocks sold separately HERE)

Always measure your Ubolt diameter on the threads

Kit includes:
4 Ubolts, and suitable hardware (nuts/washers)

2 3/8" Round Ubolt - 1/2" In Diameter - Inside Leg Length:
1" Block - 7.5"
2" Block - 8.5"
3" Block - 9.5"

3" Round Ubolt - 9/16" In Diameter - Inside Leg Length:
1" Block - 7.5"
2" Block - 8.5"
3" Block - 9.5"

This kit does NOT come with blocks, you can purchase the blocks separately here: TRAILER LIFT BLOCKS

These Ubolts are sold in a Kit of 4 - Suitable for assembling 1 axle and you will need to purchase 1, 2 or 3 kits depending on how many axles your trailer has.

Ubolt Torque Specs:

1/2" Ubolts to 60-65 FTLBS
9/16" Ubolts to 90-95 FTLBS

Some Ubolt plates can't handle the higher torque ratings so be careful and use good quality ubolt plates - sold here: HD TRAILER UBOLT PLATES

Ubolts are made in Canada