Forged Flat Top Square U-Bolts 18.5" Long x 3.25" Wide x 5/8" Threads For Sierra 3500HD Avalanche 1500 These shackles are designed and

These shackles are designed and tested to lift your truck 2"-2

Using a fiberglass and plastic mix

Supreme Suspensions Pro-Billet Series Wheel Spacers are precision engineered to widen your track-width by 1

Short or Packs) are manufactured from Heat Treated & Tempered High Strength Spring Steel then CNC precision is used to ensure that they perfectly fit your truck

Will NOT Fit Mega Cabs or models equipped with rear overload springs

Forged Flat Top Square U-Bolts 18.5" Long x 3.25" Wide x 5/8" Threads For Sierra 3500HD Avalanche 1500 These shackles are designed and4x Forged Steel Flat Top U Bolts Installation Hardware Our extended U bolts rise to expectation by being ISO 9001 certified and stamped and exceed current standards in the auto industry. Supreme Suspensions High Strength Steel U Bolts are bent & threaded to exact specifications, and finished with an Electrostatic Powder Coating to ensure the maximum level of protection and corrosion resistance. Especially engineered for off road and heavy duty