Rough Country M1 Suspension Lift Kits for 2016-2018 SIERRA 1500, SILVERADO 1500, 2019 SILVERADO 1500 LD - 11640

Name: Rough Country M1 Suspension Lift Kits
Brand: Rough Country
SKU: ROU-11640
Price: 1849.95 USD
Availability: InStock
Rating: 0 (0 reviews)

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Part Number: ROU-11640

$1,849.95

Rough Country M1 Suspension Lift Kits

Suspension Leveling & Lift Kits, Lift Kit, M1 Series, Strut, Leaf Spring Block, 7.00 in. Front, 7.00 in. Rear, Chevy, GMC, Kit
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Rough Country M1 Suspension Lift Kits for 2016-2018 SIERRA 1500, SILVERADO 1500, 2019 SILVERADO 1500 LD - 11640

ROU-11640

Not Yet Reviewed

Part Number: ROU-11640

Estimated Ship Date: Feb 23, 2026

$1,849.95

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Overview

Applications

Q&A

Estimated Ship Date: Feb 23, 2026 Would you rather pick it up?

Overview

Brand:

Rough Country

Manufacturer's Part Number:

11640

Part Type:

Suspension Leveling & Lift Kits

Product Line:

Rough Country M1 Suspension Lift Kits

Summit Racing Part Number:

ROU-11640

UPC:

840269928505

Lift Style:

Suspension Lift Kit

Primary Front Lift Component:

Strut kit

Primary Rear Lift Component:

Leaf spring block

Front Shocks/Struts Included:

Yes

Front Shock Quantity Per Wheel:

Front Shock Type:

Gas-charged adjustable monotube

Rear Shocks/Struts Included:

Yes

Rear Shock Quantity Per Wheel:

Rear Shock Type:

Gas-charged adjustable monotube

Brake Lines Included:

Hardware Included:

Yes

FMVSS 126 Certification:

Quantity:

Sold as a kit.

Notes:

Fits stock stamped steel control arms only. Designed for models without Hybrid eAssist. Will not fit Denali models with Magnetic Ride Control. If truck is equipped with a mass damper on the front differential, the damper must be removed.

Rough Country M1 Suspension Lift Kits

Whether it's to turn heads, sling mud on a path less traveled, or simply to get extra clearance for those bigger tires, Rough Country M1 suspension lift kits offer amazing off-road performance at an incredible value. They are easy to install, and each kit includes the specific heavy-duty components and hardware needed for your truck's lift, plus Rough Country M1 shocks. Select the kit designed for your truck with the lift desired.

M1 shock features:

* 2 in. seamless extruded tube
* 46mm digressive piston
* Self-adjusting, deflective-disc independent rebound and compression
* 18mm centerless-ground, case-hardened, chromed, and super-polished rod
* 46mm monotube design ensures consistent, fade-free performance in all conditions
* Digressive valving instantly reacts to changing surface conditions
* Zinc plated for resistance against harsh elements
* Durable vulcanized natural rubber bushings