Fabtech 2019+ Silverado Trail Boss & Sierra AT4 1500 Rear Shock # FTS811452

Fabtech Dirt Logic Series Shock Absorber # FTS811452 is designed specifically for use on the rear suspension of your 2019, 2020 or 2021 model year Chevrolet Silverado 1500 Trail Boss or GMC Sierra 1500 AT4. These shocks are a direct fit item and will bolt right up with no modifications necessary! Unbolt your old shocks and bolt on the legendary Dirt Logic 2.25 rear shock to experience a dramatic change in ride and handling. Fabtech Dirt Logic 2.25 rear shocks are constructed of a stainless steel body with NitroSteel® piston rod for maximum corrosion resistance and durability. Superior ride quality both on and offroad. Excellent damping for offroad use.

Fabtech FTS811452 Features:

1. Separate Gas and Oil Construction - Dirt Logic shocks utilize a dividing piston to separate the high pressure nitrogen gas from the oil. This design keeps the shock from fading and helps retain a consistent ride at all times. Some competitor’s shocks do not separate the oil and gas with a dividing piston, creating an emulsion shock. Emulsion shocks are not a good design. Performance of an emulsion will decrease quickly with heavy use. Quality Dirt Logic shocks have dividing pistons to separate the gas and oil for the best possible ride and performance.

2. Ride Tuned -  Each Dirt Logic shock has been extensively ride tuned by vehicle suspension application to provide a comfortable highway ride with good offroad damping. Fabtech has taken the time to do this extensive shock tuning to get the most out of the ride. No generic “60/40” or “70/30” valving as others have done.

3. Shock Body Material - High grade 304 Stainless Steel shock bodies eclipse all other shocks on the market for maximum corrosion resistance.

4. Length Specific - The correct length shock by suspension application is paramount for proper functionality. Fabtech is the only manufacturer that builds both suspension and take apart shocks in house for complete compatibility. This is very important as when a suspension system is designed it can have a different rate of travel even if it is for the same vehicle. There is no one shock that fits all 4″ or 6″ suspension systems on the market for the same application. Only Fabtech has designed the specific length shock that fits the suspension properly without compression or rebound binding issues.

5. Aluminum Finish - Our polished black anodized finish is a neutral tone that goes with every color vehicle. It is subtle and is accented by the stainless steel shock body for a high end appearance. Before the black anodizing process takes place the aluminum parts are polished. This additional step of polishing creates a smooth surface for the anodizing to coat leaving a deep black luster.

Fitment Information:
Fabtech designed this shock for use on stock height to +1" lifted Trail Boss and AT4 package equipped trucks. If you have lifted the rear of your Trail Boss or AT4 more than 1" beyond the factory installed height this shock may be too short. For Silverado 1500 and Sierra 1500 owners that do not have a factory lifted truck these Fabtech shocks will work great on trucks equipped with an aftermarket 2.00" to 3.00" tall lift block kit as they are longer than a stock shock by a little over 2.5" inches.

This Fabtech Shock Absorber is sold individually. If you would like to order a pair of shocks please be sure to adjust your quantity to 2 before finalizing your order.

If you have any additional questions about this or any other Bilstein product please click on the "Ask A Question" link located at the very top of this page.