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U-Bolts & U-Bolt Plates

The biggest misconception with U-bolts is that they are all the same, this could not be farther from the truth. We feel that U-Bolts are the most important component of a leaf spring suspension and this is why we are so meticulous about the specifications of our U-bolts. Our U-bolts are made from a cold drawn 1541 alloy that is stress relieved. This produces an alloy that is has grade 8 strength but not grade 8 hardness. The threads on our U-bolts are 5/8”-18 fine threads and are manufactured with a smooth rolled thread. The mating Hi-Nuts are hardened as well as the thick washers and are manufactured with sharp cut threads. When a U-Bolt is tightened the U-Bolt threads stretch as they mate with the Hi-Nuts. This insures proper tightness of the fastener is maintained. This stretching is not visible but a U-bolt should never be reused because removing the tall nut will cross thread the U-Bolt. Our U-bolts have a torque spec of 150 foot pounds and should never be tightened with an impact gun.

Our U-bolt plates are laser cut from 3/8” and then bent on each end to give you a incredibly rigid U-bolt plate. These U-bolt plates have three leaf spring center pin locations to match our leaf spring perches and come in a verity of sizes to match your axle diameter and spring width and have slots to accept our 5/8” U bolts. We even have ½” thick U-bolt plates for Dana 60 King Pin applications.
Products (Total Items: 28)
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U Bolt Plate Shock Mount
Average Rating(0)
$15.00
U Bolt, 5/8 x 2 1/2 x 10 Square
Average Rating(0)
$11.00
Spring Under Axle SUA U bolt Plate Pair
Average Rating(1)
$35.00
U Bolt Eliminator Kit
Average Rating(1)
$85.00
U Bolt, 5/8 x 2 3/4 x 10
Average Rating(1)
$11.00
U bolt, 5/8 X 3 X 10
Average Rating(1)
$11.00
U bolt, 5/8 x 3 1/4 x 10
Average Rating(1)
$11.00
U bolt, 5/8 x 3 1/4 x 14
Average Rating(0)
$14.00
U Bolt, 5/8 X 3 1/2 X 14
Average Rating(0)
$14.00
U Bolt, 5/8 X 3 3/8 X 10
Average Rating(1)
$11.00
U Bolt, 5/8 x 3 5/8 x 10
Average Rating(1)
$11.00
U Bolt, 5/8 x 3 7/8 x 10
Average Rating(0)
$11.00
U Bolt, 5/8 X 4 X 10
Average Rating(1)
$11.00
U Bolt, 5/8 X 4 X 14
Average Rating(2)
$14.00
U Bolt, 5/8 X 4 3/8 X 10
Average Rating(0)
$11.00
U Bolt Plates, GM (2.5 Springs) Pair
Average Rating(5)
$31.00
U Bolt Plates, 2.75 Springs Pair
Average Rating(0)
$40.00
U Bolt Plates, Jeep (2.5 Springs) Pair
Average Rating(2)
$31.00
U Bolt Plates, Ford (3 Springs) Pair
Average Rating(3)
$33.00
U Bolt Plates, IH Scout Pair
Average Rating(0)
$30.00
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