Leaf Spring Components

Don’t trust your suspension to flimsy, stamped steel. TMR Customs Leaf Spring U-Bolt Plates are built to take abuse and keep your axle securely in place—on-road or off.

These heavy-duty plates are CNC laser cut from 3/8" thick steel and designed for 2.5" wide leaf springs. The oversized construction eliminates bending and flexing under load, making them the go-to choice for off-road builds, solid axle swaps, or heavy-duty street trucks.

✅ Massive 3/8" Thick Steel Construction – Far stronger than stock or stamped alternatives
✅ Fits 2.5" Wide Leaf Springs – A perfect match for most common off-road leaf setups
✅ Built Tough - to hold your axle firmly in place
✅ Slotted for Easy Adjustment – Simple alignment and install
✅ Laser Cut for Precision Fit – Clean edges, perfect symmetry
✅ Sold in Pairs – Includes 2 U-bolt plates per order

When you're building it once and building it right, TMR U-Bolt Plates deliver the strength and confidence your suspension needs.

Tired of cheap U-bolts that bend, stretch, or rust out? Step up to TMR Customs Leaf Spring U-Bolts—built for serious strength and long-lasting performance on the street and off the trail.

Each U-bolt is made from 5/8" diameter Grade 8 hardware, threaded deep for maximum adjustability and clamping force. Whether you're doing a solid axle swap, leaf spring upgrade, or full suspension rebuild, these U-bolts are ready to take the abuse.

✅ 5/8" Diameter Grade 8 U-Bolt – Heavy-duty hardware for unbeatable strength
✅ Includes High-Strength Hardware – Each U-bolt comes with hardened Grade 8 washers and tall nuts
✅ Sold Individually – Buy only what you need for your custom setup

Don’t risk your suspension with generic parts. TMR U-bolts are engineered to clamp hard and hold strong—no flex, no failure.

SOLD INDIVIDUALLY (1 X U BOLT, 2 X HARDENED WASHERS, 2 X HARDENED TALL NUTS)

TMR Customs Leaf Spring Perches – Built for Abuse, Designed to Perform

Tired of leaf spring perches that fold under pressure? So were we. That’s why we engineered TMR Customs Leaf Spring Perches to be stronger, smarter, and easier to install than anything else on the market.

✅ Laser Cut from 1/4" Steel – No flimsy shortcuts here. Our perches are built to handle serious abuse on and off the trail.
✅ Perfect Fit Every Time – Designed to match the curve of your axle tube and the 2.5" width of your leaf spring, ensuring a rock-solid fit without the guesswork.
✅ Extra Long for Superior Axle Wrap Control – At 7-3/4" long, TMR perches offer more surface area for better clamping force and reduced spring wrap.
✅ Multiple Width & Tube Diameter Options – Whether you're running a Dana 30, Dana 44, Dana 60, 14 Bolt, etc. we’ve got you covered.

Sold in pairs! 1 x Driver Side Perch, 1 x Passenger Side Perch

Why Choose TMR Over the Other Guys?

Unlike mass-produced, offshore alternatives, TMR perches are built by real off-roaders who know what it takes to win – whether you're crawling over rocks or blasting through mud. We don’t skimp on material, strength, or fitment. And with same-day shipping on most orders, you’ll spend more time wrenching and less time waiting.

TMR Customs Leaf Spring Hangers are CNC laser-cut from ¼″ steel and engineered with a keyed, three-piece design for precise fit and easier weldment—no guesswork, just precision. With a 3″ inner diameter, they fit 2.5" leaf springs with bushings installed, and come with ½″ pre-drilled holes that are easily expanded to 9/16″ or larger for custom bolt setups. Sold as a pair.

TMR Customs Leaf Spring Shackle Hangers are CNC-laser-cut from heavy-duty ¼″ steel, with a bushing housing precision-machined from 2″ × 0.25″ DOM tubing. These shackle hangers deliver perfect alignment, effortless welding, and unmatched strength under load. With a 3″ width including bushings and a 9/16″ thru-hole, they’re sold in pairs and engineered for fast mounting and real-world performance.

Perfect for builders who want:

• Rugged, weld-ready precision parts

• Easy alignment and strong weld joints

• Shackle hanger setups that stand up to trail abuse

Upgrade your suspension with TMR Customs Leaf Spring Shackle Hangers!

TMR Customs Leaf Spring Shackle Hangers are CNC-laser-cut from heavy-duty ¼″ steel, with a bushing housing precision-machined from 2″ × 0.25″ DOM tubing. These shackle hangers deliver perfect alignment, effortless welding, and unmatched strength under load. With a 3″ width including bushings and a 9/16″ thru-hole, they’re sold in pairs and engineered for fast mounting and real-world performance.

Perfect for builders who want:

• Rugged, weld-ready precision parts

• Easy alignment and strong weld joints

• Shackle hanger setups that stand up to trail abuse

Upgrade your suspension with TMR Customs Leaf Spring Shackle Hangers!

• CNC laser cut from 3/8" steel
• Size/length measurements are from center of top hole to center of bottom hole
• Center hole allows for additional bolt/sleeve to be used to strengthen the shackle assembly 
• 9/16" holes 
• Includes 2 pieces (enough to build 1 shackle)

Includes the following:

Leaf Spring Perches 

Our TMR Customs Spring Perches are the strongest on the market! Our design supports the full width of your leaf spring - other designs that are formed on a press brake only partially support your spring. TMR Customs Leaf Spring Perches measures nearly 8" in length to help control anti-wrap, and the 3 spring pin positions allow you to easily adjust your wheelbase. 

• CNC laser cut from 1/4" steel
• Designed to fit 2.5" wide leaf springs
• Ships unwelded
• Sold in pairs

Leaf Spring U Bolt Plates

• CNC laser cut and formed from 3/8" steel
• Fits 2.5" wide leaf springs
• U Bolt holes are slotted to fit up to 5/8" u bolts
• 3 pin locations to match our Leaf Spring Perches
• Sold in pairs

 U Bolts - Massive 5/8" Thread

• Grade 8 U Bolts
• Rolled 5/8" fine threads for the ultimate in strength! 
• Threaded section measures approximately 5" in length
• Comes with hardened washers and tall nuts