Speedway Aluminum Extruded Leaf Spring Lowering Blocks
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Q & A
What's in the Box
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. Heavy Duty U-bolts and hardware are available separately.
- 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
- U-bolts and hardware available separately
Lowering blocks are sold individually (each).
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
Item DetailsSold individually (each)
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Kit includes 2 extruded aluminum lowering blocks complete with four 1/2" U-bolts and hardware. Blocks are 2-1/2" wide x 5" long. U-bolts fit 3" diameter axle housings and are 10" long.
910-43808 Instructions (PDF)
These universal lower leaf spring plates include mounts for shocks and a sway bar. LH and RH.
Our universal leaf spring plate features a 1/2" mounting boss on both the front and rear allowing it to work on either side or to run two shocks.
U-bolt holes are 9/16" I.D. Will accept a 3" spring.
Adjustable lowering block allow you to adjust the lead in the rear end. Available in 4 different heights: 1-1/2", 2", 2-1/2" or 3". All sizes are 2-1/2" wide. This item is sold individually.
- Provides frame clearance for rear axle on lowered cars
- Gain clearance without sacrificing strength (3/16" thick material)
- 6-3/4" side to side and 2-7/8" from bottom to top
- Fits frame rail as wide as 2-1/2"
- Fit and weld into your frame
- Includes a pair of rubber bump stops
Speedway leaf sping axle U-bolts are heat treated and zinc plated to ensure long life and durability. All bolts are 1/2" diameter. Fits 3" diameter axle tubes.
These weld-on leaf spring pads fit 3" diameter axle tubes. Works with all 2-1/2" wide leaf springs.
These aluminum leaf spring shims allow you to correct your pinion angle. Availalbe in 2° and 4° angles. Fits 2-1/2" wide springs.