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137 Rancho ® Part Numbers ending with the letter "B" Designate Black Finish. Rancho ® does not recommend or endorse the use of its products in conjunction with those of other aftermarket suspension or lift kit manufacturers. RAISED HEIGHT SUSPENSION SHOCK ABSORBERS YEAR MODEL FRONT REAR QTY DESCRIPTION KIT PART NO. FRONT REAR Suspension GMC Pickup — Sierra 3500HD 1 Ton - 4WD 2015-11 All; Torsion Key Kit (Includes Front Shocks) 2¼ ″ 0 ″ 1 Torsion Key Kit RS66351R5 Inc. RS5379 2010-01 All; Torsion Key Kit (Includes Front Shocks) 2¼ ″ 0 ″ 1 Torsion Key Kit RS66350R5 Inc. RS55274 RS5274 Pickup — Sierra 3500HD 1 Ton - 4WD — Steering Stabilizers STABILIZER YEAR MODEL SHOCK BRACKET 2010-07 All w/ OEM Steering Damper Mounts; Single Steering Damper RS5411 — RS7411 2008-07 All w/o OEM Steering Damper Mounts; Single Steering Damper RS5407 RS5548 RS7407 Pickup — Sierra 3500HD 1 Ton - 2WD 2015-11 All; Torsion Key Kit (Includes Front Shocks) 2¼ ″ 0 ″ 1 Torsion Key Kit RS66351R5 Inc. RS5379 2010-01 All; Torsion Key Kit (Includes Front Shocks) 2¼ ″ 0 ″ 1 Torsion Key Kit RS66350R5 Inc. RS55274 RS5274 Pickup — Sierra 3500HD 1 Ton - 2WD — Steering Stabilizers STABILIZER YEAR MODEL SHOCK BRACKET 2010-07 All w/ OEM Steering Damper Mounts; Single Steering Damper RS5411 — RS7411 2008-07 All w/o OEM Steering Damper Mounts; Single Steering Damper RS5407 RS5548 RS7407 Pickup — V1500 ½ Ton - 4WD 1987 All; Rear Suspension Lifted by Block 4 ″ 4 ″ 2 Leaf Spring RS86206 11,2,Q2 RS5001 4 RS5112 1 U-Bolt Kit RS705 RS7112 1 Suspension Leaf Spring Block Kit RS80054 RS999001 RS999112 1987 All; Rear Suspension Lifted by Block 4 ″ 2½ ″ 2 Leaf Spring RS86206 11,Q2 RS5001 4 RS5112 1 U-Bolt Kit RS705 — RS7112 1 Suspension Leaf Spring Block Kit RS70054 13 RS999001 RS999112 1987 All 2½ ″ 2½ ″ 2 Leaf Spring RS86202 2,Q2 RS5001 4 RS5112 1 U-Bolt Kit RS705 — RS7112 1 Suspension Leaf Spring Block Kit RS70054 RS999001 RS999112 Suburban — K15/1500 ½ Ton - 4WD Jun 76- 73 All; Rear Suspension Lifted by Block 4 ″ 4 ″ 2 Leaf Spring RS86206 11,Q2 RS5001 4 RS5112 1 U-Bolt Kit RS703 — RS7112 1 Suspension Leaf Spring Block Kit RS80054 RS999001 RS999112