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

2020-2025 6.6L Silverado & Sierra 2500HD/3500HD

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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PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2024 Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2024 Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2024 Silverado 4500HD/5500HD/6500HD
PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2024 Silverado 4500HD/5500HD/6500HD

PacBrake

PacBrake HP10373-X Alpha XD 7500 Air Spring Suspension Kit | 2018-2024 Silverado 4500HD/5500HD/6500HD

SKU: PACHP10373-X
$693.08
BDS 011217 2 inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD with Seperate Overload Leaf
BDS 011217 2 inch Rear Block & U-Bolt Kit | 2020-2025 GM Silverado/Sierra 3500HD with Seperate Overload Leaf

BDS Suspension

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

SKU: BDS011217
$128.95
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
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
$144.45
$169.95
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 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
$98.16
$115.49
Cognito 199-90188 Carrier Bearing Spacer 2-3 inch | 2001-2024 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3 inch | 2001-2024 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

Cognito

Cognito 199-90188 Carrier Bearing Spacer 2-3 inch | 2001-2024 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 | 2020-2024 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-P1178 12 inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-P1178 12 inch Elite Lift Kit with Elka 2.5 Reservoir Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-P1178
$10,383.42
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD
McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD

McGaughys

McGaughys 52456 7-9 inch Lift Kit - Black | 2020-2024 GM Silverado/Sierra 2500HD 2WD/4WD

SKU: MCG52456
$4,052.47
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 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
$5,147.48
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 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
$3,711.46
BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax
BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

BDS Suspension

BDS 1834FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

SKU: BDS1834FPE
$7,070.84
BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload
BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

BDS Suspension

BDS 1831FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

SKU: BDS1831FPE
$7,199.79
BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload
BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

BDS Suspension

BDS 1828FPE 3 inch FOX 2.5 Elite Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

SKU: BDS1828FPE
$7,199.79
BDS 1832FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax
BDS 1832FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

BDS Suspension

BDS 1832FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax

SKU: BDS1832FPE
$5,850.79
BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload
BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

BDS Suspension

BDS 1829FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/o Rear Overload

SKU: BDS1829FPE
$5,979.74
BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload
BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

BDS Suspension

BDS 1812FPE 3 inch FOX 2.0 Coilover Lift Kit | 2020-2025 GM 2500HD/3500HD 6.6L Duramax w/ Rear Overload

SKU: BDS1812FPE
$5,979.74
ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 69-30320 3-inch SST Lift Kit with Fabricated Control Arms and Falcon 1.1 Monotube Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS69-30320
$1,317.45
$1,549.95
ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 62-30360 3-inch SST2.1 Lift Kit with Fabricated Control Arms and Falcon Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS62-30360
$1,920.95
$2,259.95
ReadyLift 42-30640 6-inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30640 6-inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30640 6-inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 42-30640 6-inch MAX2.1 Suspension System with Falcon 2.1 Shocks | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS42-30640
$2,855.95
$3,359.95
ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

ReadyLift Suspension

ReadyLift 42-30840 8-inch MAX3.3 Suspension System with Falcon 3.3 Shocks And Fab UCA Arms | 2020-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: RLS42-30840
$4,020.45
$4,729.95
ReadyLift 69-30350 3.5F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 69-30350 3.5F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 69-30350 3.5F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS69-30350
$1,189.95
$1,399.95
ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 69-3030 3F/2R SST Lift Kit | 2020-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS69-3030
$364.54
$428.88
Cognito 199-90189 Carrier Bearing Spacer 3-4 inch | 2001-2024 GM 2500/3500 & 11-16 Ford F250/F350
Cognito 199-90189 Carrier Bearing Spacer 3-4 inch | 2001-2024 GM 2500/3500 & 11-16 Ford F250/F350

Cognito

Cognito 199-90189 Carrier Bearing Spacer 3-4 inch | 2001-2024 GM 2500/3500 & 11-16 Ford F250/F350

SKU: COG199-90189
$89.95
Cognito 110-90629 Enhancement Plate Kit For SM Series Compression Strut Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-90629 Enhancement Plate Kit For SM Series Compression Strut Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-90629 Enhancement Plate Kit For SM Series Compression Strut Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-90629
$229.95

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2020-2025 6.6L Silverado & Sierra 2500HD/3500HD

Power Lift Shop All

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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