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Description: This is the Raptor-4G RP-150 fuel system for the 2011-2014 6.6L Duramax. This system mounts to the frame jig in front of the fuel tank for a clean looking installation. The suction line connects...More Details »
Item #: R4SBC137
Condition:
New
Price: $525.00
Sale: $503.00
Save: 4%
Save: $22.00
Description: This is the Raptor-4G RP-150 fuel system for the 2015-2016 6.6L Duramax. This system mounts to the frame jig in front of the fuel tank for a clean looking installation. The suction line connects...More Details »
Item #: R4SBC139
Condition:
New
Price: $525.00
Sale: $503.00
Save: 4%
Save: $22.00
Description: Fits 2007-2018 GM 1500
If vehicle is lifted in rear, add spacer kit (88-91003 or 88-91006).
Includes heat wrap kit for tailpipe.
Confirmed 5th Wheel Hitch Compatibility:
B&W - BWGNRK1057...More Details »
Item #: 88-31070
Condition:
New
Price: $499.95
Description: Fits 2011-2019 GM 2500/3500 w/o Overload Springs
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
B&W GNRK1012
Curt 16411
B&W RVK2506
Reese 56001
Reese 5066
*Not compatible with OEM 5th wheel hitch
Item #: 88-32110
Condition:
New
Price: $749.95
Description: Fits 2011-2019 GM 2500/3500 w/ Overload Springs
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
B&W GNRK1012
Curt 16411
B&W RVK2506
Reese 56001
Reese...More Details »
Item #: 88-33110
Condition:
New
Price: $849.95
Description: Trucks equipped with factory rear height sensors require additional part number 88-31190-1.
Not compatible with ZR2 option.
If AT4/Trail Boss or if vehicle is lifted in rear, add spacer kit...More Details »
Item #: 88-31190
Condition:
New
Price: $499.95
Description: Fits 2020-2024 GM 2500 w/o Overload Springs
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
OEM Puck System
GNRK1020
Will not fit AT4X
Item #: 88-32200
Condition:
New
Price: $749.95
Description: Fits 2020-2024 GM 2500/3500 w/ Overload Springs
~6400LBS Load Leveling Capacity at 150PSI
Confirmed 5th Wheel Hitch Compatibility:
OEM Puck System
GNRK1020
For use with factory overload...More Details »
Item #: 88-33200
Condition:
New
Price: $849.95
Suspension Ball Joint
Description: Ball Joint For SST 4.0 in. Lift Kit Fits: 2011-16 GM2500/2500 BALL JOINT-REPLACEMENT FOR SST 4in. LIFT KIT
Item #: 67-3412
Condition:
New
Price: $49.95
![ReadyLift - ReadyLift Big Lift Kit 6 in. Lift [6 in. + 2 in.] For AT4 And Trail Boss - 44-39620](https://underdog-diesel.com/images/T198667124.jpeg)
Suspension Lift Kit
Description: Big Lift Kit 6 in. Lift [6 in. + 2 in.] For AT4 And Trail Boss
Item #: 44-39620
Condition:
New
Price: $2,799.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 5-6 in. Lift w/Falcon Shocks
Item #: 44-30520
Condition:
New
Price: $2,849.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 5-6 in. Lift w/SST3000 Shocks w/Factory Keys Fits: 2011-16 SILVERADO/SIERRA 2500HD/3500HD 4WD-W/Factory Keys 5-6in. FRONT 4in. REAR-INCLUDES SST3000 SHOCKS
Item #: 44-3050
Condition:
New
Price: $2,299.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 6 in. Lift w/Falcon 1.1 Monotube Shock w/o Factory Air
Item #: 44-19601
Condition:
New
Price: $2,349.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 6 in. Lift w/Falcon 1.1 Shocks
Item #: 44-30620
Condition:
New
Price: $2,699.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 6 in. Lift w/Rear Falcon 1.1 Monotube Shocks
Item #: 44-39600
Condition:
New
Price: $2,449.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 6 in. Lift w/SST3000 Shocks
Item #: 44-30601
Condition:
New
Price: $2,399.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 7 in. Lift For Aluminum OE Upper Control Arms w/Falcon 1.1 Monotube Shocks
Item #: 44-34700
Condition:
New
Price: $2,249.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 7 in. Lift For Cast Steel OE Upper Control Arms w/Falcon 1.1 Monotube Shocks
Item #: 44-34710
Condition:
New
Price: $2,249.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 7 in. Lift w/Upper Control Arms For Stamped Steel OE Upper Control Arms
Item #: 44-34720
Condition:
New
Price: $2,449.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 7-8 in. Lift w/SST3000 Shocks Tube A Arms/Keys
Item #: 44-3070
Condition:
New
Price: $2,699.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 8 in. Lift w/Falcon 1.1 Shocks
Item #: 44-30820
Condition:
New
Price: $2,899.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 8 in. Lift w/SST3000 Shocks
Item #: 44-30801
Condition:
New
Price: $2,599.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 8 in. Lift w/Upper Control Arms Rear Falcon 1.1 Monotube Shocks
Item #: 44-39800
Condition:
New
Price: $2,849.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 9 in. Lift For Aluminum Or Stampet Steel OE Upper Control Arms w/Falcon 1.1 Monotube Shocks
Item #: 44-34900
Condition:
New
Price: $2,649.95
Suspension Lift Kit
Description: Big Lift Kit w/Shocks 9 in. Lift For Cast Steel OE Upper Control Arms w/Falcon 1.1 Monotube Shocks
Item #: 44-34910
Condition:
New
Price: $2,649.95
Leaf Helper Spring
Description: Block And Add-A-Leaf Kit 4 in. Blocks Incl. U-Bolts Fits: 2011-15 SILVERADO/SIERRA 2500HD/3500HD-4in. Block kit and U-Bolt
Item #: 26-3204
Condition:
New
Price: $179.95
Leaf Helper Spring
Description: Block And Add-A-Leaf Kit 5 in. Blocks Incl. U-Bolts Fits: 2011-16 SILVERADO/SIERRA 2500HD/3500HD-5in. Block kit and U-Bolt
Item #: 26-3205
Condition:
New
Price: $189.95
No Image Available
Suspension Control Arm Bushing Sleeve
Description: Control Arm Bushing Sleeve Upper Inner 4 in. Lift UCA Fits: 2011-2016 CHEVROLET/GMC SILVERADO/SIERRA 2500/3500-4in. LIFT UCA INNER SLEEVES
Item #: 67-SLV72
Condition:
New
Price: $29.95
No Image Available
Suspension Control Arm Bushing Sleeve
Description: Control Arm Bushing Sleeve Upper Inner UCA Fits: 2001-2016 CHEVROLET/GMC SILVERADO/SIERRA 2500/3500-UCA BUSHING INNER SLEEVE
Item #: 67-SLV84
Condition:
New
Price: $29.95
Suspension Control Arm
Description: Control Arm Fabricated Upper
Item #: 44-3035
Condition:
New
Price: $499.95
No Image Available
Suspension Control Arm
Description: Control Arm For 4 in. SST Lift Kit w/o Bushings/Ball Joints Upper Fits: 2011-16 GM 2500/3500 UPPER CONTROL ARM ONLY (NO BUSHINGS OR BALL JOINTS) FOR 4.0in. SST LIFT KIT
Item #: 67-3411
Condition:
New
Price: $269.95
Suspension Control Arm
Description: Control Arm Upper
Item #: 44-3100
Condition:
New
Price: $499.95
Suspension Control Arm
Description: Control Arm Upper SST
Item #: 67-35350
Condition:
New
Price: $439.95
Suspension Control Arm
Description: Control Arm Upper Tubular For Use w/7 in. To 8 in. Lift Fits: 2011-2016 GM/CHEV 2500/3500 TUBULAR UPPER CONTROL ARM FOR USE WITH 7-8in. OF LIFT
Item #: 47-3440
Condition:
New
Price: $439.95
Torsion Bar
Description: Forged Torsion Key Unloading Tool Fits: TORSION KEY UNLOADING TOOL-2011-16 GM 2500/3500 SPECIFIC FROM 11 AND UP
Item #: 66-7822B
Condition:
New
Price: $149.95
Suspension Leveling Kit
Description: Front Leveling Kit 1.25 in. Lift Fits: 2015-16 GMC CANYON/CHEV. COLORADO 1.25in. BILLET ALUMINUM STRUT SPACER LEVELING KIT
Item #: 66-3071
Condition:
New
Price: $179.95
Suspension Leveling Kit
Description: Front Leveling Kit 2 in. Lift Aluminum w/Anodized Coating Black Fits: 2015-16 CHEV/GMC COLORADO/CANYON 2.0in. T6 BILLET ALUMINUM LEVELING KIT. ANODIZED COATING, BLACK IN COLOR
Item #: T6-3072-K
Condition:
New
Price: $299.95
Suspension Leveling Kit
Description: Front Leveling Kit 2.25 in. Lift w/Forged Torsion Keys/Shock Extensions/All Hardware Black Finish Allows Up To 33 in. Tire Fits: 2011-16 GM/CHEVY 2500/3500 HD 2WD/4WD-2.25in. FORGED TORSION KEY...More Details »
Item #: 66-3011
Condition:
New
Price: $239.95
Suspension Leveling Kit
Description: Front Leveling Kit 2.5 in. Lift w/Forged Torsion Key/Adjusting Bolts Allows Up To 33 in. Tire Fits: 1988-2007 GM-ESCALADE/EXT/ESV/SILVERADO/AVALANCHE/TAHOE/SUB/SIERRA/YUKON/YUKON XL 1500 CHASSIS...More Details »
Item #: 66-3000
Condition:
New
Price: $229.95
Suspension Leveling Kit
Description: Front Leveling Kit 2.5 in. Lift w/Forged Torsion Key/Adjusting Bolts/Shock Extension Brackets Allows Up To 33 in. Tire Fits: 2000-2010 GM/CHEVY HD 1500HD/2500/3500 AND 2000-2012 SUBURBAN/YUKON...More Details »
Item #: 66-3050
Condition:
New
Price: $229.95
Suspension Leveling Kit
Description: Leveling Kit 1.5 in. Lift Front Upper Strut Spacer
Item #: 66-39150
Condition:
New
Price: $139.95
Suspension Leveling Kit
Description: Leveling Kit 1.5 in. Lift w/ARC Bracket
Item #: 66-39151
Condition:
New
Price: $159.95
Suspension Leveling Kit
Description: Leveling Kit 1.75 in. Front
Item #: 66-3921
Condition:
New
Price: $499.95
Suspension Leveling Kit
Description: Leveling Kit 2.0 in. Front
Item #: 66-3020
Condition:
New
Price: $229.95
Suspension Leveling Kit
Description: Leveling Kit 2.25 in. Front w/Fabricated Upper Control Arms
Item #: 66-3012
Condition:
New
Price: $679.95
Suspension Lift Kit
Description: Lift Kit w/Shocks 5-6 in. Front w/Bilstein Shocks
Item #: 44-3052
Condition:
New
Price: $2,599.95
Suspension Lift Kit
Description: Lift Kit w/Shocks 7-8 in. Front w/Bilstein Shocks w/Tube A-Arms And Keys
Item #: 44-3072
Condition:
New
Price: $2,999.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 1 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-1.0in. TALL OEM STYLE REAR BLOCK KIT. . CAST CONSTRUCTION WITH PRE CUT...More Details »
Item #: 66-3111
Condition:
New
Price: $149.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 1 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers Fits: 2000-2010 GM/CHEVY HD 1500HD/2500/3500 AND 1999-98 CK 1500-1.0in. TALL OEM STYLE REAR...More Details »
Item #: 66-3051
Condition:
New
Price: $149.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 1 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers For Use w/Factory Top Overloads Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-1.0in. TALL OEM STYLE...More Details »
Item #: 66-3121
Condition:
New
Price: $149.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 1 in. Lift
Item #: 66-3510
Condition:
New
Price: $149.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers Fits: 2000-2010 GM/CHEVY HD 1500HD/2500/3500 AND 1988-98 CK 15002.0in. TALL OEM STYLE REAR BLOCK...More Details »
Item #: 66-3052
Condition:
New
Price: $159.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-2.0in. TALL OEM STYLE REAR BLOCK KIT. . CAST CONSTRUCTION...More Details »
Item #: 66-3112
Condition:
New
Price: $159.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2 in. Cast Iron Blocks Incl. Integrated Locating Pin E-Coated U-Bolts Nuts/Washers For Use w/Factory Top Overloads Fits: 2011-16 GM/CHEVY HD 2500 2WD/4WD-2.0in. TALL OEM STYLE...More Details »
Item #: 66-3122
Condition:
New
Price: $159.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 2.25 in. Cast Iron Blocks Incl. U-Bolts All Required Hardware Fits: 2007-2016 GM/CHEVY 1500-2WD/4WD AND 99-06 2WD 2.25in. TALL OEM STYLE REAR BLOCK. . CAST CONSTRUCTION WITH PRE...More Details »
Item #: 66-3002
Condition:
New
Price: $159.95
Suspension Leaf Spring Block Kit
Description: Rear Block Kit 5 in.
Item #: 26-3950
Condition:
New
Price: $209.95
Suspension Shock Absorber Extender
Description: Shock Extension Bracket Rear Pair Fits: 1999-16 GM/CHEVY 1500 REAR SHOCK EXTENSION BRACKETS
Item #: 67-3809
Condition:
New
Price: $59.95
Suspension Shock Absorber
Description: SST3000 Shock Absorber Fits: 2011-16 GM-SILVERADO/SIERRA 2500HD/3500HD-REAR-SST3000 (EACH) FOR 4-5in. OF REAR LIFT
Item #: 93-3156R
Condition:
New
Price: $49.95
Suspension Shock Absorber
Description: SST3000 Shock Absorber Fits: 2011-16 GM-SILVERADO/SIERRA 2500HD/3500HD-FRONT-SST3000 (EACH) FOR 7-8in. OF FRONT LIFT
Item #: 93-3168F
Condition:
New
Price: $79.95
Suspension Shock Absorber
Description: SST3000 Shock Absorber Fits: 2011-16 GM SILVERADO/SIERRA 2500HD/3500HD-REAR-SST3000 (EACH) FOR 1-2in. OF REAR LIFT
Item #: 93-3411R
Condition:
New
Price: $49.95