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  3. SKYJACKER YJ40FS

SKYJACKER YJ40FS Suspension Leaf Spring 803696167565

Yj40fs Skyjacker Suspension Leaf Spring Assembly

( Brand: Skyjacker ), ( Manufacturer Part Number: YJ40FS ), ( Features: Li Constructed As Progressive Multileaf Packs /li Li Load Capa ), ( Item Width: 3.000 ), ( Item Length: 44.000 ), ( Material: Steel ), ( UPC: 803696167565 ), ( Type: Suspension, Springs And Related Components ), ( California Prop 65 Warning: T Cancer And-or Other Reproductive Harm. )

Review SKYJACKER Suspension Leaf Spring Assembly

The Skyjacker YJ40FS Suspension Leaf Spring is a premium aftermarket suspension component designed specifically for Jeep Wrangler YJ models. This leaf spring is engineered to provide superior performance both on and off the road, enhancing the vehicle's ride quality, handling, and overall capability.

Made from high-quality materials, this leaf spring features a heavy-duty construction with a thickness of 0.188 inches. The increased thickness provides more support and durability compared to the factory-installed springs, allowing the Jeep to handle heavier loads and rough terrain with ease.

One of the key features of the Skyjacker YJ40FS Suspension Leaf Spring is its progressive rate design. This means that the spring rate increases as the spring compresses, allowing for better control of the vehicle's suspension during heavy articulation. This results in improved handling, reduced body roll, and increased ground clearance.

Another important feature of this leaf spring is its compatibility with various suspension systems, including Skyjacker's own shocks and coil conversion kits. This provides Jeep owners with the flexibility to customize their suspension setup to suit their specific driving needs and preferences.

Additionally, the Skyjacker YJ40FS Suspension Leaf Spring comes with a set of polyurethane bushings. These bushings are known for their durability and ability to reduce vibration and noise, making for a more comfortable ride.

In summary, the Skyjacker YJ40FS Suspension Leaf Spring is a high-performance aftermarket suspension component designed to enhance the ride quality, handling, and overall capability of Jeep Wrangler YJ models. With its heavy-duty construction, progressive rate design, and compatibility with various suspension systems, this leaf spring is an excellent choice for Jeep owners looking to take their vehicle off the beaten path and tackle more challenging terrain.

Skyjacker YJ40FS suspension leaf springs are aftermarket suspension components designed for Jeep Wrangler YJ models. These springs offer several advantages and disadvantages when compared to stock springs. Below, we will discuss the pros and cons of buying these suspension leaf springs.

Pros:

1. Enhanced off-road performance: The Skyjacker YJ40FS suspension leaf springs are designed to provide better articulation and clearance, making them ideal for off-road use. These springs can help improve the Jeep's ability to navigate rough terrains and obstacles.

2. Increased ground clearance: These aftermarket springs can help increase the Jeep's ground clearance, which is essential for off-roading. The higher ground clearance can help prevent the undercarriage from scraping against rocks, logs, and other obstacles.

3. Improved handling: The Skyjacker YJ40FS suspension leaf springs can improve the Jeep's handling by reducing body roll and improving stability, especially during high-speed turns.

4. Durability: These aftermarket springs are designed to be stronger and more durable than stock springs. They can handle heavier loads and rougher terrains, making them a popular choice for Jeep enthusiasts.

5. Customizability: Skyjacker offers a range of spring rates to suit different driving styles and applications. This allows Jeep owners to customize their suspension system to meet their specific needs.

Cons:

1. Cost: Aftermarket suspension leaf springs, such as the Skyjacker YJ40FS, can be more expensive than stock springs. The cost may be a significant factor for some Jeep owners, especially those on a tight budget.

2. Installation: Installing aftermarket suspension leaf springs can be a complex process that requires specialized tools and knowledge. It may be necessary to hire a professional to install these springs, which can add to the overall cost.

3. Ride comfort: The Skyjacker YJ40FS suspension leaf springs may not offer the same level of ride comfort as stock springs. These springs can make the Jeep's ride stiffer and less forgiving, which may not be ideal for daily driving.

4. Noise: Some Jeep owners have reported that these aftermarket springs can produce more noise than stock springs, particularly when driving over rough terrain.

Conclusion:

Skyjacker YJ40FS suspension leaf springs offer several advantages for Jeep Wrangler YJ owners, including enhanced off-road performance, increased ground clearance, improved handling, durability, and customizability. However, these aftermarket springs also have some disadvantages, such as cost, installation complexity, reduced ride comfort, and increased noise.

Recommendation:

If you are a Jeep Wrangler YJ owner who frequently drives off-road and requires better ground clearance and handling, the Skyjacker YJ40FS suspension leaf springs may be an excellent investment. However, if you prioritize ride comfort and are on a tight budget, you may want to consider other options or wait until you have more resources to make the upgrade. Ultimately, the decision to purchase these aftermarket springs depends on your specific needs and priorities as a Jeep owner.

Details:

Includes turbine outlet pi. Bed length inches. Exhaust tip shape. Exhaust tip color.

Motor horsepower. Collapsed length . Battery cable length . Single circuit capacity.

Add a leaf included. Pull capacity. Thread diameter. Skyjacker Suspension YJ40FS Leaf Spring Assembly.

Thread rotation. Tail pipe exit. Adapter included.

Includes shocks. Includes gauge. Installation time. Leaf springs included.

Engine designation. Exhaust tip inlet size. Exhaust tip outlet size. Elbow finish.

Mount location.: Skyjacker Leaf Spring 1987 1995 Jeep Wrangler YJ. Row quantity. Exhaust tip length .

Muffler outlet size. Discontinued item: false. Exhaust type. This shot-preening compresses the surface of steel thereby increasing tensile strength spring.

Muffler inlet size. Position: Front. Transmission type. Universal: No.

Hardware included. Limited Lifetime Warranty. Soft ride springs use only American steel and the individual leafs of each spring are shot-preened with hard pellet's at very high velocities. Transfer case.

Material l: Steel. Pieces included. Number of switches. Circuit breaker included.

Other spring designs use the cinch bend clips which tightly over leafs causing binding and friction.Skyjacker Soft ride springs taper entire length of leaf creating more flex at ends. Bolt pattern. Legends included. Gear reduction ratio.

Made With American Steel. Vehicle type: Jeep. Switch illumination. Without this shot-preening procedure, the maximum wheel travel and ride quality could not be achieved without sacrificing life of spring.Soft ride springs use bolt spring clips, eliminating friction.

Switch color. Tank included. Angle degree. Series: Soft ride Series.

Travel length . Tonne cover type. Exhaust tip edge. Coil included.

Wheel diameter. Wiring included. Waterproof rating. Product notes.

Built in blue tooth. Skyjacker Leaf Spring 1987 1995 Jeep Wrangler YJ Menu. Engine years. Sold as: Each.

Fitting type. Constructed As Progressive Multileaf Packs. Includes switches. Grouping: YJ40FS-BHNG.

Transmission speed. Nuts included. Engine manufacturer. Exhaust tip cut.

Brand: Skyjacker. Tube diameter. Extended length .

part #: yj40fs prices

  • $179.95-$206.56

specifications coilspringi:

  • brand: Skyjacker
  • mpn: Yj40fs
  • features: Li Constructed As Progressive Multileaf Packs /li Li Load Capa
  • item width: 3.000
  • item length: 44.000
  • material: Steel
  • upc: 803696167565
  • type: Suspension, Springs And Related Components
  • california prop 65 warning: T Cancer And-or Other Reproductive Harm.

returns coilspringi:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments coilspringi:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

seller coilspringi:

  • rating: 98.1%
  • city: Saint Paul, Minnesota
  • # reviews: 45442

offer coilspringi:

  • options: Ship-to-home
  • started: January 18, 2026
  • availability: In Stock
  • quantity: 4
  • sold: 0

general coilspringi:

  • Car Truck Parts Accessories > Steering Suspension > Leaf Coil Springs
  • condition: New

shipping coilspringi:

  • transit: 5-7 Days
  • cost: $0.00
  • class: Standard
  • type: Fixed
  • service: Standard
features: li constructed as progressive multileaf packs /li li load capa, item width: 3.000, item length: 44.000, type: suspension, springs and related components, california prop 65 warning: t cancer and-or other reproductive harm.,
category: auto parts > car truck parts accessories > steering suspension > leaf coil springs, material: steel, sku: 21767134447577713,
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5 offers $179.95–$206.56 USD
  • New. Offer #1 priced at $195.43 + $0.00 shipping estimate = $195.43* total. UPC: . Product Title: SKYJACKER - - SINGLE SPRG NO BUSH 4' F.FREE SHIPPING
  • New. Offer #2 priced at $206.56 + $0.00 shipping estimate = $206.56* total. Without this shot-peening procedure, the maximum wheel travel and ride quality could not be achieved without sacrificing the life of the spring. This shot-peening compresses the surface of the steel thereby increasing the tensile strength of the spring.FREE SHIPPING
  • New. Offer #3 priced at $179.95 + $0.00 shipping estimate = $179.95* total. This tapering distributes loads more evenly over a greater area and reduces the tendency for one leaf to dig into the leaf above it. Softride springs use only American steel and the individual leafs of each spring are shot-peened with hard steel pellets at very high velocities.FREE SHIPPING
  • New. Offer #4 priced at $179.99 + $0.00 shipping estimate = $179.99* total. He realized early on that if he wanted to win he would need higher trucks and bigger tires. Part #: .FREE SHIPPING
  • New. Offer #5 priced at $186.86 + $0.00 shipping estimate = $186.86* total. Skyjacker Leaf Spring .FREE SHIPPING

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