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Speedway Aluminum Extruded Leaf Spring Lowering Block
Speedway Aluminum Extruded Leaf Spring Lowering Block

Speedway Aluminum Extruded Leaf Spring Lowering Block

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77 Reviews | 21 Answered Questions
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Speedway Aluminum Extruded Leaf Spring Lowering Block
Speedway Aluminum Extruded Leaf Spring Lowering Block
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Part # 91643
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

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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
Some parts are not legal for use in California or other states with similar laws/regulations

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