Synergy Suspension Leaf Spring Conversion Kit
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Synergy Suspension Leaf Spring Conversion Kit


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  • $114.00
Synergy Suspension Leaf Spring Conversion Kit
Quantity:  
In stock (1000 items available)
  • SKU
    PPM-3130-XXX-YYYY
  • Synergy Suspension Leaf Spring Conversion Kit
  • Everything needed to do spring over leaf spring swaps

Kit Includes:

  • (2) Synergy Suspension Ultra Low Weld On Wide Springs Perches
  • (2) Synergy Suspension 3/8" thick U-bolt plates
  • (4) Synergy Suspension HD E-coated 5/8-18 UNF U-bolts
  • (8) 5/8-18 UNF tall U-bolt nuts
  • (8) 5/8" ASTM F436 extra thick hard washers
Part # Description
PPM-3130-250-2750 Leaf Spring Conversion Kit for 2.50" Wide Springs and 2.750" Axle Tubes
PPM-3130-300-2750 Leaf Spring Conversion Kit for 3.0" Wide Springs and 2.750" Axle Tubes
PPM-3130-250-3125 Leaf Spring Conversion Kit for 2.50" Wide Springs and 3.125" Axle Tubes
PPM-3130-300-3125 Leaf Spring Conversion Kit for 3.0" Wide Springs and 3.125" Axle Tubes
PPM-3130-250-3375 Leaf Spring Conversion Kit for 2.50" Wide Springs and 3.375" Axle Tubes
PPM-3130-300-3375 Leaf Spring Conversion Kit for 3.0" Wide Springs and 3.375" Axle Tubes

The following is a list of the most common solid axle swaps and their axle tube sizes.
Note: these kits are designed to fit 2.750", 3.125" and 3.375" axle tubes exactly. They will fit other sizes with minor grinding.

Reference: Common Axle Tube Diamters
Axle Axle Tube Diameter (inches)
Ford 8.8 REAR (F150) 3.25"
Ford 9" (BIG BEARING) 3.25"
D44 FRONT 2.75"
D60 REAR 3.125"
D70 REAR 3.562"
Common Front D60 (79-95 APPROX) 3.125"
D44 Rear (non C-Clip) 2.75"
D35(C) Rearï¾  (Jeep CJ/YJ/TJ/XJ/ZJ) 2.625"
D35 Front (Jeep CJ/YJ) 2.50"
Chrysler 8.25" 3.00"
Dodge Unit Bearing 60 Front 3.50"
Toyota Front 3.125"
Toyota IFS Rear 3.00"
GM 14 Bolt 3.375"

  • Manufacturers
    • Manufacturer
      Synergy Suspension
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