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

When adding a lift kit to your 2020-2025 GM 2500HD/3500HD 6.6L Duramax, ensuring that all suspension components work together in harmony is necessary for optimal performance. A lift can put extra strain on various factory parts, which may not be equipped to handle the increased ride height and off-road demands. That’s exactly where our Sierra and Silverado lift kit upgrades come to play as they're specifically designed to support your new lift, allowing your suspension to fully articulate through its entire range of travel while maintaining both ride quality and stability. From upgraded axles and extended sway bar links to beefier rear blocks and leaf springs, we carry everything you need to keep your truck performing at its best. 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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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
Sale price
$103.16
Regular price
$128.95
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
Price
$833.43
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
Price
$169.95
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

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

SKU: TIMGMFK25D
Price
$269.36
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
Sale price
$98.16
Regular price
$115.49
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
Sale price
$80.05
Regular price
$89.95
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
Sale price
$103.16
Regular price
$128.95
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500/3500 & 11-16 Ford F250/F350
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500/3500 & 11-16 Ford F250/F350

Cognito

Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500/3500 & 11-16 Ford F250/F350

SKU: COG199-90189
Sale price
$80.05
Regular price
$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
Sale price
$204.65
Regular price
$229.95
Cognito 210-91218 4" inch Deaver Leaf Spring Pack K97 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-91218 4" inch Deaver Leaf Spring Pack K97 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-91218 4" inch Deaver Leaf Spring Pack K97 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-91218
Sale price
$1,468.45
Regular price
$1,649.95
Carli CS-DRBD-1875 Rear Bump Stop Drops | 2014-2024 GM/Ram 2500 4WD Air Ride
Carli CS-DRBD-1875 Rear Bump Stop Drops | 2014-2024 GM/Ram 2500 4WD Air Ride

Carli Suspension

Carli CS-DRBD-1875 Rear Bump Stop Drops | 2014-2024 GM/Ram 2500 4WD Air Ride

SKU: CISCS-DRBD-1875
Price
$197
Cognito 210-90983 CV Front Driveline For 4-7 inch & 10 inch Lift | 2020-2023 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-90983 CV Front Driveline For 4-7 inch & 10 inch Lift | 2020-2023 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-90983 CV Front Driveline For 4-7 inch & 10 inch Lift | 2020-2023 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-90983
Sale price
$622.95
Regular price
$699.95

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

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