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A loaded triaxle outside the Central Spring Service shop on the West Penn Pike in Tamaqua, PA
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Custom Truck U-Boltsin Tamaqua, PA

Bent to your truck's exact spec while you wait, with the kits and hardware to go with them.

Services — 05

What we do

U-bolts are the most-asked-about part in the shop — and the one we never make a truck wait on. Give us the drop length, diameter and arch, and bolts are bent to your spring pack in house, while the truck is on the rack.

Signs it's time
01 Rusted, stretched or deformed bolts
02 Spring pack working loose
03 Rattling from the pack under load
04 Bolts removed for other service work
Custom U-bolt bending at Central Spring Service
From the shop floor — 1050 West Penn Pike
05.1

Custom Made U-Bolts

Bent to your truck's exact specification — drop length, diameter and internal arch — not ordered and waited on.
05.2

U-Bolt Kits

Pre-assembled kits in stock with the hardware to go with them, built to the standards of the leading brands.
05.3

U-Bolt Bending While You Wait

Rusted or stretched bolts replaced on the spot — pull in off the Penn Pike and leave with the pack torqued to spec.
Signs it's time
01 Rusted, stretched or deformed bolts
02 Spring pack working loose
03 Rattling from the pack under load
04 Bolts removed for other service work
Common questions

U-Bolts questions, answered

Do I need to order U-bolts, or can you make them the same day?

Bent in house while the truck is on the rack — give us the drop length, diameter and arch and there's nothing to order.

How do you know what size U-bolt my truck needs?

From your truck's spec if you have it, or measured directly off the axle and spring pack if you don't. Either way, nothing gets bent until the numbers are right.

What are the signs my U-bolts need replacing?

Rust, stretching or visible deformation, a spring pack that's working loose, or rattling from the pack under load. Any of those and the bolts are the first thing to check.

Do you carry U-bolt kits, or just the bolts?

Pre-assembled kits with the hardware to go with them are in stock too, built to the standards of the leading brands — not just the bolts on their own.

Do I need an appointment?

Walk-ins are welcome, Monday to Friday, 7:00 to 4:30, at 1050 West Penn Pike, Tamaqua — most U-bolt jobs happen while you wait.

What does a U-bolt job cost?

It's priced by size and quantity, so call (570) 386-4195 with your truck's spec or send it through the quote form and we'll give you a real number, not a guess.
Other suspension services
Leaf Springs Air Springs King Pins Axles Walking Beams Mack Trunnion Stands Mack Trunnion Bars All services →
Truck down or riding rough?
Send the symptom and the truck — the shop calls you back with what it needs and what it costs.
Get a free quote Call (570) 386-4195