2021 GMC Sierra 1500 Air Suspension and Kits

This SES Suspension Upgrade fits the front suspension of a Chevrolet Silverado 1500 and GMC Sierra 1500 pickup truck. Each laser cut piece of steel is precision bent and powder coated to ensure a quality fit. We have engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent front end sag.

Product Features:

• Eliminate Vehicle Squatting And Sagging
• Improved Handling For Vehicles Equipped With Snowplows
• Cushion Road Shocks
• Improve Handling

Timbren suspension enhancement system. The decision is easy, Timbren suspension kits (SES kits) are designed to enhance the suspension of your vehicle. Improve load handling haul heavy loads with ease eliminate sag and sway.

Product Features:

• Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
• Control Trailer Sway, A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
• Control Body Roll, During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
• Improve The Ride, By Allowing The Aeon(R) Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesnt Have To Mean Poor Ride Quality
• Economical And Trouble Free
• Simple And Easy To Install

Timbren suspension enhancement system – The decision is easy, Timbren suspension kits (SES kits) are designed to enhance the suspension of your vehicle. Improve load handling haul heavy loads with ease eliminate sag and sway.

Product Features:

• Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
• Control Trailer Sway, A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
• Control Body Roll, During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
• Improve The Ride, By Allowing The Aeon(R) Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesnt Have To Mean Poor Ride Quality
• Economical And Trouble Free
• Simple And Easy To Install

Timbren suspension enhancement system – The decision is easy, Timbren suspension kits (SES kits) are designed to enhance the suspension of your vehicle. Improve load handling haul heavy loads with ease eliminate sag and sway.

Product Features:

• Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
• Control Trailer Sway, A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
• Control Body Roll, During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
• Improve The Ride, By Allowing The Aeon(R) Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesnt Have To Mean Poor Ride Quality
• Economical And Trouble Free
• Simple And Easy To Install

Max Performance Synthetic Power Steering Fluid

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

• Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
• Enhanced anti-shudder protection for smooth shifting and maximum power transfer
• Developed with anti-wear technology to help improve transmission durability
• Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

Valvoline DEXRON®-VI ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors’ DEXRON®-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON®-II and/or DEXRON®-III are recommended. Recommended for use in the following applications: DEXRON®-VI, DEXRON®-III, DEXRON®-II, and Allison C-4.

Product Features:

• Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
• Enhanced anti-shudder protection for smooth shifting and maximum power transfer
• Developed with anti-wear technology to help improve transmission durability
• Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures

Valvoline Multi-Vehicle Transfer Case Fluid is a full synthetic product meeting the performance needs for transfer cases recommending Ford XL-12 and GM Auto Trak II specifications or ATF fluids (DEX/MERC, ATF +4, etc).

Product Features:

• Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
• Formulated to help prevent gear wear and protect against rust and corrosion
• Formulated to deliver enhanced protection against deposits
• Helps provide better protection during extreme operating conditions

Skyjacker(R) suspension leveling kits are just what you need to get your truck or suv riding level again. They feature specially designed spacers to give you the additional lift necessary to make your vehicle stance level. Available for either the front or rear, these skyjacker suspension leveling kits are an excellent choice to lift your truck or suv.

Product Features:

• Made From Premium Materials
• Meets The Highest Quality Standards
• Provide A Smooth, Comfortable Ride
• Maintain That Factory Ride Quality
• Easy Installation

Daystar Comfort Ride Suspension systems are truly Driven by Design. Comfort Ride kits are specially designed to work with stock suspension components to keep costs down and quality high. High-density Progressive Polyurethane strut and spring spacers act as isolators to combine moderate amounts of lift without losing the comfortable ride you have come to expect. In torsion bar applications, re-indexed torsion keys allow you to dial-in the desired amount of lift in order to plus-size tire and wheel packages. These front lifts are often combined with Daystar Greaseable Super Shackles, add-a-leafs, or blocks and u-bolts to provide complete front and rear kits. Daystar offers a the most complete line of kits for most of the popular vehicles, including virtually all late-model domestic and import applications Almost all of the lift and leveling kits used on strut applications feature an easy-install design, no disassembly of the strut is required Comfort Ride Kits are the perfect start to achieving that custom look without compromising performance, reliability, or affordability.

Product Features:

• No Metal-On-Metal Contact, Daystar Uses Polyurethane Material In Its Leveling Kits For A Reason, It is An Insulator, Absorbs The Noise, Vibration And Harmonics (NVH) That Come From The Suspension
• Maintains Factory Ride Quality, Daystar Products Work With The Factory Springs With No Preloading Involved, So Vehicle Will Ride Just Like It Did Off The Showroom Floor
• Long Lasting Finish, Polyurethane Is Resistant To The Elements, Road Grime And All Automotive Chemicals, So Comfort Ride Kits Will Look Just Like They Came Out Of The Box For Years To Come
• Top Mount Easy Install Design

Looking to add larger tires or add that go anywhere capability and feel? Then look no further than a TrailFX mid lift suspension kit. Increased ground clearance, visibility, and a smoother ride are all benefits of a mid lift suspension kit. Kits contain all required, ready to install components in one box under one part number.

Product Features:

• Designed For Additional Clearance For Larger Wheel And Tire Combinations
• All Necessary Components Included In One Box
• Maintains Factory Ride
• Shock Replacement Not Required
• X Guard Plus Powertrain Warranty
• Limited Lifetime Warranty and Limited 1 Year Warranty On Wearable Components

Looking to add larger tires or add that go anywhere capability and feel? Then look no further than a TrailFX mid-lift suspension kit. Increased ground clearance, visibility, and a smoother ride are all benefits of a mid-lift suspension kit.

Product Features:

• Designed For Additional Clearance For Larger Wheel And Tire Combinations
• All Necessary Components Included In One Box
• Maintains Factory Ride Quality
• Shock Replacement Not Required

Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:

• MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
• EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
• EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
• BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
• Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
• Special Air Fitting: Resists air leakage.

Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:

• MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
• EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
• EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
• BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
• Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
• Special Air Fitting: Resists air leakage.

aFe Control Sway-A-Way High Performance replacement 2.0 in. shock absorbers for the 2007-2014 GM 1500 Trucks and SUVs (non HD) feature all the same race winning engineering components that have set the standard in competition racing for the past 20+ years. This kit offers excellent off road damping without sacrificing any on road comfort or handling. These rear shocks are 100% designed and built in the USA that feature a zinc plated steel cylinder bodies and CNC machined aluminum components. This package is designed as a direct fit application and requires no modifications to the vehicle.

Product Features:

• CNC Machined Components Made To The Strictest Tolerances
• Polished Nitro Steel Shaft for Strength And Durability
• Teflon Lined Steel Spherical Bearings
• Multi-Seal Carrier To Ensure Zero Leakage

Give your Chevy® Silverado or GMC® Sierra 1500 an aggressive stance with the Rancho® 3-in. suspension system. It features upper control arms with preinstalled ball joints and Rancho RS9000®XL shocks and struts that allow customized damping control.

Product Features:

• COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
• LIFTS AND LEVELS VEHICLE — Designed to fit up to 33-in. tires, system lifts front by 3-in. while rear blocks raise the back an additional 1.5-in. to level the truck (trimming required for 33-in. tires, bumpers, winches, etc. affect height)
• COMPLETE SOLUTION — Includes Rancho RS9000®XL struts and rear shocks, upper control arms with ball joints, rear block kit, sway bar spacers and mounting hardware
• NINE LEVELS OF ADJUSTMENT — Rancho RS9000®XL shocks and struts feature nine-position knob for customized damping control and firmness for on-road and off-road flexibility
• ORDERING INFO — Ships in three boxes, order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
• BUILT TO PERFORM — Control arms keep the preinstalled ball joints in their normal operating range, provide additional caster to aid in alignment and add wheel travel
• ENGINEERED TO LAST — Brackets fabricated from high-strength, low-alloy steel for long life while control arms feature durable OE-style rubber bushings and ball joints for easy maintenance and quiet operation
• EASY TO INSTALL — Bolt-on installation for an easy upgrade
• NOTES — Maintains OE alignment specs and won’t affect electronic stability system, allows the use of OE wheels/tires, must use OE springs and top mounting components (tire size varies between manufacturers)

Give your Chevy® Silverado or GMC® Sierra 1500 an aggressive stance with the Rancho® 3-in. suspension system. It features upper control arms with preinstalled ball joints and Rancho RS9000®XL shocks and struts that allow customized damping control.

Product Features:

• ORDERING INFO — Box 3 of 3 for master kit RS66311R9, must order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
• COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
• LIFTS AND LEVELS VEHICLE — Fits up to 33-in. tires, system lifts front by 3-in. while rear blocks raise the back an additional 1.5-in. to level the truck (trimming required for 33-in. tires, bumpers, winches, etc. affect height)
• COMPLETE SOLUTION — Includes Rancho RS9000®XL struts and rear shocks, upper control arms with ball joints, rear block kit, sway bar spacers and mounting hardware
• NINE LEVELS OF ADJUSTMENT — Rancho RS9000®XL shocks and struts feature nine-position knob for customized damping control and firmness for on-road and off-road flexibility
• BUILT TO PERFORM — Control arms keep the preinstalled ball joints in their normal operating range, provide additional caster to aid in alignment and add wheel travel
• ENGINEERED TO LAST — Brackets fabricated from high-strength, low-alloy steel for long life while control arms feature durable OE-style rubber bushings and ball joints for easy maintenance and quiet operation
• EASY TO INSTALL — Bolt-on installation for an easy upgrade
• NOTES — Maintains OE alignment specs and won’t affect electronic stability system, allows the use of OE wheels/tires, must use OE springs and top mounting components (tire size varies between manufacturers)

Give your Chevy® Silverado or GMC® Sierra 1500 an aggressive stance with the Rancho® 3-in. suspension system. It features upper control arms with preinstalled ball joints and Rancho RS9000®XL shocks and struts that allow customized damping control.

Product Features:

• ORDERING INFO — Box 2 of 3 for master kit RS66311R9, must order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
• COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
• LIFTS AND LEVELS VEHICLE — Fits up to 33-in. tires, system lifts front by 3-in. while rear blocks raise the back an additional 1.5-in. to level the truck (trimming required for 33-in. tires, bumpers, winches, etc. affect height)
• COMPLETE SOLUTION — Includes Rancho RS9000®XL struts and rear shocks, upper control arms with ball joints, rear block kit, sway bar spacers and mounting hardware
• NINE LEVELS OF ADJUSTMENT — Rancho RS9000®XL shocks and struts feature nine-position knob for customized damping control and firmness for on-road and off-road flexibility
• BUILT TO PERFORM — Control arms keep the preinstalled ball joints in their normal operating range, provide additional caster to aid in alignment and add wheel travel
• ENGINEERED TO LAST — Brackets fabricated from high-strength, low-alloy steel for long life while control arms feature durable OE-style rubber bushings and ball joints for easy maintenance and quiet operation
• EASY TO INSTALL — Bolt-on installation for an easy upgrade
• NOTES — Maintains OE alignment specs and won’t affect electronic stability system, allows the use of OE wheels/tires, must use OE springs and top mounting components (tire size varies between manufacturers)

Firestone heavy duty Ride Rite air helper springs are the workhorse of our air helper spring line. The double convoluted air springs offer maximum load support as well as years of worry free service. Ride Rite air helper springs can be installed on most light trucks, motor homes, RVs, SUVs and vans. Ride Rite air helper springs are installed between the frame of the vehicle and the suspension, providing load support through the use of air pressure. Firestone is committed to providing the customer with premium air helper spring kits. Ride Rite air helper springs have become synonymous with quality, durability, and customer support. Each application is specifically designed to maximize the safe load carrying capacity, stability, and ride quality of the vehicle. Ride Rite air helper springs utilize a pair of convoluted air springs which can be adjusted for changing loads. These air springs are capable of 3200 to 5000 Pounds of load leveling capacity. Ride Rite air helper springs enhance the ride by reducing inter leaf friction. Please remember that air springs do not increase the Load Carrying capacity of your vehicle. Ride Rite kits are application specific and are designed for hassle free fitment to the OEM suspension.

Product Features:

• Keep The Vehicle Level: Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear
• Level Off Center Loads, Individual Inflation Valves Allow For Adjustment Side To Side
• Reduce Suspension Fatigue, Keeps Leaf Springs From Permanent Sagging Under Repeated Or Constant Load
• Reduce Bottoming Out, Protective Air Cushion Softens Contact Between The Axle And Frame
• Increase Vehicle Stability, Absorbs Road Shock, Providing Ideal Ride Conditions For Passengers And Load