SMX-174215 SUSPENSIONMAXX Rear Block Bolt Gas Engine Kit 3500

Review SUSPENSIONMAXX Suspensionmax 1.5 Inch Rear Block And U-bolt Kit For Gas Engine for RAM 3500 2003–2013

The SuspensionMaxx SMX-174215 1.5 Rear Block U-Bolt Kit is a premium replacement solution designed specifically for the 03-13 Ram 3500 gas engine. This kit stands out in the market with its superior quality and attention to detail that sets it apart from other aftermarket options.

The U-Bolt Kit consists of heavy-duty, forged steel construction, which ensures strength and durability. Each U-Bolt is engineered to provide a perfect fit for your Ram 3500, allowing for a seamless installation process. The 1.5-inch diameter of these U-Bolts offers enhanced load capacity, making it an excellent choice for those who demand superior performance from their vehicle.

The SuspensionMaxx SMX-174215 kit comes with new, high-strength, 5/8-inch diameter, heat-treated bolts that provide an optimal clamping force for your suspension system. These bolts are also zinc-coated to protect against corrosion and ensure longevity.

One of the key features of this kit is the inclusion of new, high-quality, rubber isolators. These isolators help reduce noise and vibration, creating a more comfortable ride for both driver and passengers. They are specifically designed to fit your Ram 3500 suspension system, ensuring a proper fit and function.

The SuspensionMaxx SMX-174215 1.5 Rear Block U-Bolt Kit is a direct replacement for your OEM parts, ensuring a hassle-free installation process. Each component in this kit is designed to meet or exceed OEM specifications, providing you with peace of mind and confidence in your vehicle's performance.

With its superior strength, durability, and attention to detail, the SuspensionMaxx SMX-174215 1.5 Rear Block U-Bolt Kit is the perfect upgrade for your 03-13 Ram 3500 gas engine. Whether you're looking to enhance your vehicle's performance, improve its ride quality, or simply replace worn-out parts, this kit is an excellent choice for your needs.

The SuspensionMaxx SMX-174215 1.5 Rear Block U-Bolt Kit is designed specifically for the 03-13 Ram 3500 gas engine. This kit is intended to replace the factory u-bolts and provide additional strength and durability for heavy-duty applications. Here are some pros and cons to consider before making a purchase:

1. High-strength design: The SuspensionMaxx kit is made from high-strength materials, including 1.5-inch diameter u-bolts and heavy-duty steel blocks, which can support heavy loads and provide better stability and control.

2. Easy installation: The kit comes with detailed instructions and all necessary hardware, making it a relatively simple and straightforward installation process for most DIY enthusiasts.

3. Improved ride quality: By providing better support for the rear suspension, the SuspensionMaxx kit can help improve ride quality, reducing harshness and vibration, especially when towing or carrying heavy loads.

4. Enhanced safety: The stronger u-bolts and blocks can help prevent the rear suspension from sagging or coming loose, reducing the risk of accidents and providing peace of mind.

1. Cost: The SuspensionMaxx kit is more expensive than the factory u-bolts, which may be a concern for some budget-conscious buyers.

2. Weight: The kit is heavier than the factory u-bolts, adding a few extra pounds to the vehicle. This may not be a significant issue for most applications, but it is worth considering.

3. Potential for increased noise: Some customers have reported that the SuspensionMaxx kit can produce more noise than the factory u-bolts, particularly when driving over rough roads or when towing.

In conclusion, the SuspensionMaxx SMX-174215 1.5 Rear Block U-Bolt Kit offers several advantages for heavy-duty Ram 3500 owners, including improved strength, stability, and ride quality. However, it comes with a higher cost and potential for increased noise compared to factory u-bolts. Ultimately, the decision to purchase this kit depends on individual needs, preferences, and budget.

If you frequently tow heavy loads, carry heavy equipment, or simply want to enhance the performance and durability of your Ram 3500, the SuspensionMaxx kit may be a worthwhile investment. However, if cost is a significant concern or you do not notice any major issues with the factory u-bolts, it may be more practical to stick with the stock components.

Details:

Position rear. Why truck owners trust suspensionmax rear lift blocks: ideal for leveling or towing loads: raise the rear to match a front lift compensate added weight. Require no extensive modifications to the vehicle-totally reversible. Retains factory comfort and geometry: keeps driveling angles leaf spring function optimized for everyday driving or off-road action.

Made in America and covered under the max structural lifetime warranty. The suspensionmax SMX-174215 heavy duty block and u-bolt rear leaf spring leveling kit increases suspension height by 1.5 inches, is ideal for increasing ground clearance or fitting larger wheels tires. Installation involves no major alterations to the vehicle and truck or SUV can easily be put back stock specifications. Block and u-bolt kits can also be used to level vehicles that carry heavy loads.

Our block and u-bolt kits simply fit between rear leaf springs axle to compensate for suspension compression restore ride height . Suspensionmax heavy duty block and u-bolt rear leaf spring leveling kits are the perfect solution for lifting or of trucks Suva carrying loads including campers. Strong and durable-steel blocks, high strength u-bolts fasteners. Such loads can cause rear suspension to compress and sag-thereby reducing ride height .

Ideal for leveling or lifting vehicles, adding larger wheels and tires, hauling heavy loads. Multiple height options: choose the perfect amount of lift to match your build and tire setup. Suspensionmax includes all hardware needed and components are quickly installed using job specific tools. Heavy duty rear block and u-bolt kit 1.5 inch for 2003 -2013 Ram 3500 4x4 gas engine with dual bolts 0.5625 inch diameter x 4.0625 width u-bolts.

Direct bolt-on install: installs easily between axle and leaf springs using existing hardware or included u-bolts. Suspensionmax provides application coverage for the most vehicles and largest number of height configuration options per vehicle. Heavy-duty construction: CBC-machined from high-strength steel or aluminum for maximum durability. When its time to raise the rear of your truck, you want a solution that's simple, strong, and built last.

Fits 2003 -2013 Ram 3500 4x4 with gas engine, dual bolts, and 0.5625 inch diameter x 4.0625 inch width u-bolts. 100% American made and covered our structural lifetime warranty. Suspensionmax heavy duty block and u-bolt kits are made with quality alloy metals for high strength long life-they wont crack or compress. Material steel.

Whether you're leveling your stance, prepping for big tires, or hauling more with stability, suspensionmax lift blocks make sure raised the right way.

specifications liftkitsparts:

• for models: 3500, Ram
• for years: 2003–2013
• brand: Suspensionmaxx
• mpn: Smx-174215
• part type: Block Bolt Engine
• fitment type: Performance/custom
• lift height: 1.5 Rear
• country/region of manufacture: United States
• placement on vehicle: Rear
• performance part: Yes

shipping liftkitsparts:

• service: ups ground, fedex priority overnight, fedex 2day
• type: fixed
• carrier: ups, fedex
• class: standard, one-day, expedited
• transit: 3-8 days

payments liftkitsparts:

• other
• wallet: apple-pay
• credit card: diners-club

offer liftkitsparts:

• sold #: 18
• in stock #: 1
• price: $169.99
• item condition: New
• options: ship-to-home
• availability: in stock
• started: august 27, 2025

returns liftkitsparts:

• policy: returns accepted
• time: 30 days
• paid by: seller

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

seller liftkitsparts:

• # reviews: 2718
• rating: 97.5%
• city: cincinnati, ohio