WEHRS MACHINE WM304TC Spring Cup Tall Bolt Rear In 6IN

( Brand: Wehrs Machine ), ( Manufacturer Part Number: WM304TC ), ( Part Type: Spring Bolt ), ( Performance Part: Yes )

Review WEHRS MACHINE Spring Cup Tall 6in Bolt in Rear

The **Wehrs WM304TC Spring Cup Tall 6-Inch Bolt-In Rear** is a premium, high-performance suspension component designed to elevate the handling, comfort, and durability of off-road and overland vehicles. Engineered with a robust **tall 6-inch spring cup**, this bolt-in rear suspension upgrade replaces the stock spring perch, allowing for a significant increase in ground clearance while maintaining structural integrity. The **spring cup** is crafted from high-quality, heat-treated steel, ensuring resistance to warping, rust, and excessive wear critical factors for vehicles subjected to rugged terrain, heavy loads, or extreme weather conditions. Its **tall design** accommodates taller springs, coilovers, or lift kits, making it an ideal choice for enthusiasts seeking to enhance their vehicle s approach and departure angles without compromising stability.

Beyond its functional benefits, the **WM304TC** is built to withstand the demands of off-road adventures, featuring a **reinforced mounting surface** that secures firmly to the vehicle s frame or subframe, reducing the risk of loosening or failure under dynamic loads. The **bolt-in installation** eliminates the need for welding or extensive modifications, offering a straightforward yet effective upgrade that can be completed with basic tools. Whether paired with a lift kit, coilovers, or simply taller springs, this spring cup enhances the vehicle s ability to traverse rocky trails, deep mud, or steep inclines while preserving the integrity of the suspension system. For overlanders, adventurers, and performance-minded drivers, the **Wehrs WM304TC** represents a reliable, high-performance solution that bridges the gap between stock limitations and custom suspension tuning.

The Wehrs WM304TC Spring Cup Tall 6-inch Bolt-In Rear is a popular aftermarket suspension upgrade for trucks, particularly those with stock rear springs. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Wehrs WM304TC Spring Cup Tall 6-inch Bolt-In Rear**

1. **Improved Ride Comfort**

The taller spring cups (6 inches) increase the ride height, which can soften the ride by allowing the springs to compress more gradually over bumps. This reduces harshness compared to stock springs, making the truck feel more comfortable on rough roads or light off-road use.

2. **Better Weight Distribution**

By raising the rear axle, the spring cups help shift some of the weight forward, which can improve traction and handling, especially in light off-road or towing scenarios. This can also reduce the likelihood of the rear end sagging under heavy loads.

3. **Easier Installation**

Bolt-in designs are simpler to install than full suspension lifts or coilovers. They typically require no welding or major modifications, just removing the stock springs and attaching the new spring cups. This makes them a cost-effective option for those who want a noticeable lift without a full suspension swap.

4. **Compatibility with Aftermarket Parts**

The increased height from the spring cups can make it easier to install aftermarket parts like larger tires, exhaust systems, or underbody armor without interference. It also provides more clearance for some off-road applications.

5. **Affordable Upgrade**

Compared to full suspension lifts or coilovers, the WM304TC is relatively inexpensive. It offers a significant height increase (typically around 2-3 inches) without the complexity or cost of a full lift kit.

6. **Minimal Drivetrain Angling**

Unlike full lifts, which can angle the drivetrain and cause driveline issues, the spring cups maintain a relatively straight alignment. This reduces the risk of binding or driveline angles that can occur with taller lifts.

7. **Good for Light Off-Roading**

For casual off-road use, such as light trails or snow driving, the increased ground clearance can be beneficial. It allows for better tire clearance over small obstacles without the need for a full rock-crawling setup.

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### **Cons of the Wehrs WM304TC Spring Cup Tall 6-inch Bolt-In Rear**

1. **Limited Height Increase**

While the 6-inch spring cups provide a noticeable lift (typically around 2-3 inches), they do not offer the same height as a full suspension lift (which can be 4-6 inches or more). If you're looking for a significant height increase for aggressive off-roading or large tires, this may not be sufficient.

2. **Potential for a Harsh Ride on Rough Terrain**

While the spring cups improve comfort over stock springs, they do not provide the same level of articulation or suspension travel as a full lift or coilovers. On very rough terrain, the ride can still feel stiff, especially if the truck is heavily loaded.

3. **No Adjustability**

Unlike coilovers or adjustable suspension systems, the WM304TC does not allow for height or firmness adjustments. Once installed, the ride height and stiffness are fixed, which may not suit all driving conditions or preferences.

4. **Possible Driveline Angling on Steep Inclines**

While the spring cups reduce driveline angling compared to full lifts, they can still cause slight angles when driving up steep inclines or over large obstacles. This may lead to driveline binding or noise in extreme cases.

5. **Limited Off-Road Capability**

For serious off-roading, such as rock crawling or deep mud, the spring cups alone may not provide enough articulation or ground clearance. You may still need additional modifications like a longer driveshaft, sway bar disconnects, or a full suspension lift for optimal performance.

6. **Potential for Sag Under Heavy Loads**

If the truck is heavily loaded (e.g., towing or carrying heavy cargo), the spring cups may not be enough to prevent the rear end from sagging. In such cases, a full suspension lift or coilovers with adjustable sag control may be necessary.

7. **Compatibility Issues with Some Trucks**

While the WM304TC is designed for many trucks, compatibility can vary depending on the specific model and stock suspension setup. Some trucks may require additional modifications or spacers to ensure proper fitment and function.

8. **No Improvement in Handling or Stability**

Unlike full suspension lifts or coilovers, the spring cups do not improve handling dynamics or stability. They primarily focus on ride height and comfort, so if you're looking for better cornering or stability, this upgrade alone won t deliver those benefits.

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### **Conclusion**

The Wehrs WM304TC Spring Cup Tall 6-inch Bolt-In Rear is a solid choice for truck owners who want a simple, affordable way to increase ride height and improve comfort without a full suspension swap. It s ideal for those who prioritize ease of installation, minimal drivetrain angling, and a modest height increase for light off-roading or everyday driving. However, it is not a comprehensive solution for serious off-roaders or those seeking adjustable suspension or significant height gains.

If your primary goals are comfort, a slight lift for better tire clearance, and compatibility with aftermarket parts, the WM304TC is a practical and cost-effective option. If you need more articulation, adjustability, or a taller lift for aggressive off-roading, you may want to consider a full suspension lift or coilovers instead.

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### **Recommendation**

- You want a simple, bolt-in upgrade to increase ride height and comfort.

- You re looking for better weight distribution and light off-road clearance.

- You don t need adjustability or a full suspension lift.

- Your budget is limited, and you want an affordable solution.

- You need a significant height increase for large tires or aggressive off-roading.

- You want adjustable suspension or improved handling dynamics.

- Your truck s stock suspension is heavily modified or requires additional spacers for proper fitment.

- You plan to tow heavy loads frequently, as the spring cups alone may not prevent sag.

For most casual users or those seeking a modest lift without complexity, the WM304TC is a reliable and worthwhile upgrade. For enthusiasts pushing the limits of off-roading or performance, a more comprehensive suspension solution may be necessary.

Details:

Part Number: WM304TC. Manufacturer: WEHRS MACHINE. Spring Cup - Driver Side Upper Rear Bolt-On 6 in Tall Steel Black Paint 5 OD Each.

part #: wm304tc prices

• $58.99-$67.08

specifications cacuhol:

• brand: Wehrs Machine
• mpn: Wm304tc
• part type: Spring Bolt
• performance part: Yes

payments cacuhol:

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

general cacuhol:

• condition: New
• Interior Parts Accessories > storage Organizers > Cup Holders

offer cacuhol:

• quantity: 2
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: June 3, 2026

shipping cacuhol:

• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard
• transit: 2-6 Days

seller cacuhol:

• city: San Leandro, California
• rating: 99.9%
• # reviews: 132847

returns cacuhol:

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

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