Fabtech FTS6358 single front Stealth monotube replacement shock for the matched six-inch RTS suspension system

Fabtech FTS6358 Front Stealth Shock – 2020–26 GM 2500HD Diesel, 6-inch RTS

$146.02
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Fabtech FTS6358 single front Stealth monotube replacement shock for the matched six-inch RTS suspension system

Fabtech

Fabtech FTS6358 Front Stealth Shock – 2020–26 GM 2500HD Diesel, 6-inch RTS

$146.02

Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.

Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.

Fabtech FTS6358 is a single front Stealth monotube replacement shock for the matched Fabtech six-inch RTS suspension system. Sold individually: one shock.

Vehicle application

For 2020–2026 Chevrolet Silverado 2500HD and GMC Sierra 2500HD diesel, 2WD or 4WD, equipped with the compatible Fabtech K1159M six-inch RTS system. Diesel application only. Excludes standard cab, GMC AT4 and Chevrolet ZR2 models. Match the exact shock part number and complete suspension configuration before ordering.

Features and package

Black monotube construction with a 46 mm high-flow piston, a 14 mm Nitrocarb piston rod and vehicle-specific valving. Includes one FTS6358 front shock. A complete front axle installation uses two shocks, ordered separately. Component boxes, rear shocks and the complete lift system are sold separately.

Installation requirements

Professional installation should follow the matched RTS system instructions and vehicle restrictions. Use the aftermarket wheel and tire combination specified for K1159M; OEM wheels and tires are incompatible with that suspension system.

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Your vehicle

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Product reference & ordering help

Manufacturer & part identification

Fabtech

Use the SKU for your selected option when contacting us.
OptionSKU / part reference
StandardFTS6358
Vehicle compatibility

Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.

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Installation & specifications

Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.

Shipping expectations

Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.

Shipping & delivery information
Manufacturer warranty

Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.

Warranty information