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Product Summary

Universal Fit

  • The leaf spring pads are weld-on and will work with all 2-1/2" wide leaf springs
  • Mounting plate accepts 2.5" leaf spring and has a single shock boss
  • U-bolts are designed to work with 3" diameter axle tubes
  • Center to center of threaded end width of the U-bolts is 3.685" with the inside to inside working width of 3.185"
  • Lightweight aluminum lowering blocks are engineered to be stronger than billet

Comes as a Kit

Key Specs

BrandSpeedway Motors

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Details

Creating a custom build means making custom components work together to meet your specific requirements or desires.  When it comes to mounting up your rear axle/leaf spring combination, Speedway Motors has you covered with these complete bracket/block/hardware kits.

Kit Includes:

  • (1) Pair of Weld-On Leaf Spring Pads for 3" Axle
  • (1) Pair of Leaf Spring Lower Shock Mount Plates, Left and Right
  • (4) 10" Leaf Spring U-Bolts for 3" Axle
  • (2) Aluminum Leaf Spring Lowering Blocks (Your Choice Height)

Leaf Spring Pads

These weld-on leaf spring pads fit 3" diameter axle tubes. Works with all 2-1/2" wide leaf springs.

Leaf Spring Shock Mount Plates

Steel leaf spring lower shock mounting plate. Left and Right side. Eases the mounting of rear shocks.

  • Accepts 2.5" leaf spring
  • Bolt holes are 3-5/8" apart center to center
  • Bolt holes are 3-1/8" center to center on flange sides
  • Bolt holes are 9/16" I.D.
  • Single shock boss

Leaf Spring U-Bolts

Speedway leaf sping axle U-bolts are a great replacement for worn out stock bolts and feature a generous length to accomodate lowering blocks (sold separately) to fine tune your ride height. U-bolts are made from heat-treated and zinc-plated steel to ensure long life and durability. All bolts are 1/2" diameter with 1/2"-20 threads. Fits rearend housings with 3" diameter axle tubes.

  • Works with 3" diameter axle tubes
  • 10" overall length
  • 6" thread length
  • 1/2"-20 thread pitch
  • Includes nylock nuts
  • Center to center of threaded end width is 3.685" with the inside to inside working width of 3.185"

Leaf Spring Lowering Blocks

Our lightweight extruded aluminum lowering blocks are stronger than billet!  Available in several heights, all 2-1/2" wide, 5" long.  The centering pin is 9/16".  These blocks will increase or decrease suspension height on most leaf spring applications and can be installed below the leaf spring to raise the vehicle or on top of the leaf spring to lower the vehicle. These lowering blocks allow you to lower your leaf spring vehicle by up to 4 inches. 

  • Lightweight aluminum lowering blocks are stronger than billet
  • 2-1/2" wide
  • 5" long
  • 9/16" centering pin
  • Increase or decrease suspension height on most leaf spring applications
  • Allows you to lower your leaf spring vehicle by up to 4 inches

THICKNESS options explained:

  • 025 = 1/4" thick
  • 050 = 1/2" thick
  • 075 = 3/4" thick
  • 100 = 1" thick
  • 150 = 1.5" thick
  • 200 = 2" thick
  • 250 = 2.5" thick
  • 300 = 3" thick
  • 350 = 3.5" thick
  • 400 = 4" thick

Specifications

KEY SPECS
BrandSpeedway Motors
GENERAL
Sold in QuantityKit