Pro Comp 58402 Leaf Spring Axle U-Bolt Kit Fits 4WD

Pro Comp 58402 Leaf Spring Axle U-Bolt Kit Fits 4WD
73.99In stock
  • Brand: Pro Comp
  • |
  • SKU: DFCW-58402
  • |
  • Part Number: 58402

1973-1987 Chevrolet K20/K2500 Pickup/1973-1991 Chevrolet Suburban 2500/1973-1991 GMC Suburban 2500 Gas/1973-1991 Chevrolet Silverado 2500/1973-1991 GMC Sierra 2500/1973-1987 GMC K25/K2500 Pickup 4WD Gas/Diesel

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Product Details

Lift blocks are tapered in order to improve vehicle driveshaft angles. Kit includes 2 cast iron riser blocks, 4 U-bolts, 8 heavy duty flat washers and 8 hi-nuts.

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1973-1991ChevroletSilverado 25004WDGas
1973-1991GMCSierra 25004WDGas
1973-1987ChevroletK20/K2500 Pickup4WDGas
1973-1987GMCK25/K2500 Pickup4WDGas
1973-1991ChevroletSuburban 25004WDGas
1973-1991GMCSuburban 25004WDGas
1973-1991ChevroletSilverado 25004WDDiesel
1973-1991GMCSierra 25004WDDiesel
1973-1987GMCK25/K2500 Pickup4WDDiesel


211411Front Leaf Spring
158301Front U-Bolts
158402Rear Block Kit
1GM400Drop Steering Arm
2322500Front ES3000 Shocks
2326500Rear ES3000 Shocks

Important Notes

  • Driveline modifications may be required for height increases over 2.5" due to increased driveline angles.
  • Exhaust modifications may be required for height increases of 4" and are normally required for 6" height increases.
  • All ride height increases are approximate and will vary due to vehicle specification. (engine size, factory options, trail equipment, etc)
  • 7215 brake lines are for vehicles up to 7200 lbs GVW.
  • Two additional front shocks must be orderd separately for vehicles equipped with factory dual shocks. See options.
  • Replacement 4" and 6" rear leaf springs are available and sold separately. See options.

Tire Info
Max Tire Size33" x 12.50"
Wheel Diameter16" +
Wheel Width8" - 10"
Backspace3.25" - 4.5"
Bolt Pattern8 x 6.5"
Bolt Code82
Lug Nut Size7/16"
Lug Nut KitN/A