2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Lift Kits

2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax 3-4" Lift Kits

3-4" Lift Kits

2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax 5-6" Lift Kits

5-6" Lift Kits

2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax 7-8" Lift Kits

7-8" Lift Kits

2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax 8"+ Lift Kits

8"+ Lift Kits

2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Lift Kit Accessories

Lift Kit Accessories

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BDS 011217 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/ Separate Overload Leaf
BDS 011217 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/ Separate Overload Leaf
BDS 011217 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/ Separate Overload Leaf

BDS Suspension

BDS 011217 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/ Separate Overload Leaf

SKU: BDS011217
$128.95
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD
IN STOCK
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD

PacBrake

PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2025 GM Chevrolet Silverado 4500HD/5500HD/6500HD

SKU: PACHP10373-X
$693.08
$770.10
ICON 77202 Front Splash Guard Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
ICON 77202 Front Splash Guard Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ICON 77202 Front Splash Guard Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Icon Vehicle Dynamics

ICON 77202 Front Splash Guard Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: IVD77202
$115.49
$121.26
ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS66-3122
$169.95
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Timbren

Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: TIMGMFK25D
$269.36
BDS 011218 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/o Factory Overload Leaf
IN STOCK
BDS 011218 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/o Factory Overload Leaf
BDS 011218 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/o Factory Overload Leaf

BDS Suspension

BDS 011218 2" inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD w/o Factory Overload Leaf

SKU: BDS011218
$128.95
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
IN STOCK
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

Cognito

Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

SKU: COG199-90188
$89.95
Cognito 210-P1178 12" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-P1178 12" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-P1178 12" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-P1178 12" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-P1178
$10,599.88
Zone Offroad C49F 3" inch Adventure Series Lift Kit with Fox Shocks (with Overload) | 2020-2026 GM Silverado/Sierra 2500HD/3500HD
Zone Offroad C49F 3" inch Adventure Series Lift Kit with Fox Shocks (with Overload) | 2020-2026 GM Silverado/Sierra 2500HD/3500HD
Zone Offroad C49F 3" inch Adventure Series Lift Kit with Fox Shocks (with Overload) | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

Zone Offroad

Zone Offroad C49F 3" inch Adventure Series Lift Kit with Fox Shocks (with Overload) | 2020-2026 GM Silverado/Sierra 2500HD/3500HD

SKU: ZONC49F
$1,315.45
BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload
BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload
BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload
BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload
BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload

BDS Suspension

BDS 767FS 5" inch Lift Kit with FOX 2.0 Shocks & 5" inch Block Kit | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 4WD w/ Rear Overload

SKU: BDS767FS
$3,189.45
Cognito 210-P1151 4" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 210-P1151 4" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-P1151 4" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-P1151 4" inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-P1151
$7,214.21
Cognito 510-P0931 3 inch Elite Leveling Kit with King 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 510-P0931 3 inch Elite Leveling Kit with King 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 510-P0931 3 inch Elite Leveling Kit with King 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 510-P0931 3 inch Elite Leveling Kit with King 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 510-P0931 3 inch Elite Leveling Kit with King 2.5 Reservoir Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG510-P0931
$4,192.95
Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0896 4 inch Performance Lift Kit with Fox PS 2.0 IFP Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0896
$5,288.10
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0890 4 inch Standard Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0890
$3,774.08
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 42-30660 6'' Suspension System W/ Falcon 3.3 Shocks And Fab UCA Arms | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS42-30660
$4,599.95
ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

ReadyLift Suspension

ReadyLift 44-30621 6'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

SKU: RLS44-30621
$3,299.95
ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4
ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

ReadyLift Suspension

ReadyLift 44-30821 8'' Lift Kit W/ Falcon 2.1 Shocks | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/AT4

SKU: RLS44-30821
$3,699.95
Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

FabTech

Fabtech K1157M 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

SKU: FABK1157M
$1,176.68
$1,307.42
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD
Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

FabTech

Fabtech K1157 3.5" inch Ball Joint UCA Lift Kit | 2020-2024 GM Silverado/Sierra 2500HD

SKU: FABK1157
$970.85
$1,078.72
Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD
Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

FabTech

Fabtech K1210DL 3″ Ball Joint UCA Lift KIt w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 2WD/4WD

SKU: FABK1210DL
$3,299.05
$3,665.62
Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1218DL 6” Lift Performance System w/ Dirt Logic 2.5 Resi Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1218DL
$4,218.80
$4,687.56
Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1219DL 6” Lift Performance System w/ Dirt Logic 2.5 Coilovers/Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1219DL
$3,772.15
$4,191.28
Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1217 6” Lift Sport System w/ Adaptive Ride Control | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1217
$1,960.47
$2,178.30
Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD
Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD

FabTech

Fabtech K1220M 6” Lift Sport System w/ Stealth Shocks | 2025 GM Sierra/Silverado 1500 4WD

SKU: FABK1220M
$1,969.99
$2,188.88

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Give your 2020-2025 GM 2500HD/3500HD 6.6L Duramax a commanding presence on the road and trail with a premium lift kit from Alligator Performance! Whether you're seeking better off-road capability, improved ground clearance, or just a better view of the road, our selection of Sierra and Silverado lift kits has what you need. With the right lift kit, you can conquer rugged trails or give your truck a bold stance that’s guaranteed to turn heads around every corner. Most lift kits are designed to accommodate larger Wheel & Tire combinations, allowing you to further transform your ride into a formidable off-road beast. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments. 

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