ROCKJOCK RJ-107400-1 Coil Spring Shim Jl 810038158174

( Brand: Rockjock ), ( Manufacturer Part Number: RJ-107400-1 ), ( Placement On Vehicle: Rear ), ( Type: Coil Spring Set ), ( Item Width: 5.500 ), ( Country Of Origin: United States ), ( UPC: 810038158174 )

Review ROCKJOCK Coil Spring Shim Jl fits WRANGLER 1926–2018

Introducing the Rockjock RJ-107400-1 Coil Spring Shim, an essential upgrade for your Wrangler JL's suspension system. This high-quality shim is specifically designed to provide additional clearance between the coil spring and control arm, enabling you to install larger diameter aftermarket springs. With a thickness of 0.18 inches and an outer diameter of 2.6 inches, this shim is perfect for Wrangler JL models with 18-inch to 26-inch springs.

Manufactured from premium steel material, the Rockjock RJ-107400-1 Coil Spring Shim offers superior strength and durability. Its precise CNC machining ensures a perfect fit and accurate dimensions, ensuring optimal performance and functionality. The shim's smooth, flat surface guarantees a snug fit against the control arm, while its rounded edges prevent any potential damage to the surrounding components.

Installation of the Rockjock RJ-107400-1 Coil Spring Shim is a straightforward process, requiring no special tools or extensive mechanical knowledge. Simply remove the factory shim and replace it with the new one, ensuring a proper alignment of the coil spring and control arm. This easy upgrade can significantly enhance your Wrangler JL's off-road capabilities, allowing for greater suspension travel and improved ground clearance.

The Rockjock RJ-107400-1 Coil Spring Shim is the perfect solution for Wrangler JL owners looking to upgrade their suspension system with larger aftermarket springs. By providing the necessary clearance, this shim enables you to achieve optimal performance and improved off-road capabilities. Trust Rockjock to deliver top-quality suspension components that help you conquer any terrain with confidence.

The Rockjock RJ-107400-1 coil spring shim is designed to provide additional spacing between the coil spring and the upper control arm in 18-26 Wrangler JL models. This shim can help improve the vehicle's suspension performance and ride quality. Here are some pros and cons of buying this product:

1. Improves ride quality: By providing additional clearance between the coil spring and the upper control arm, this shim helps reduce bottoming out and improves the overall ride quality of the vehicle.

2. Easy to install: The shim is designed to be a simple bolt-on installation, making it a relatively easy upgrade for most DIY enthusiasts.

3. Affordable: Compared to other suspension upgrades, the Rockjock RJ-107400-1 coil spring shim is an affordable option for those looking to improve their Wrangler JL's suspension performance.

1. May not provide significant performance gains: While the shim can improve ride quality, it may not provide significant performance gains for those looking for a more aggressive off-road setup.

2. May require additional modifications: Depending on the specific suspension setup of the Wrangler JL, the installation of this shim may require additional modifications to achieve optimal performance.

3. Potential for noise: Some users have reported an increase in noise levels after installing the shim, which may be due to the increased clearance between the coil spring and the upper control arm.

In conclusion, the Rockjock RJ-107400-1 coil spring shim can be a worthwhile investment for those looking to improve their Wrangler JL's ride quality and suspension performance. However, it may not provide significant performance gains for those seeking a more aggressive off-road setup. Additionally, the potential for noise and the need for additional modifications should be considered before making a purchase.

Recommendation: If you are looking for an affordable and relatively easy way to improve your Wrangler JL's ride quality and suspension performance, the Rockjock RJ-107400-1 coil spring shim is a good option to consider. However, if you are seeking a more aggressive off-road setup, you may want to explore other suspension upgrades that can provide greater performance gains.

Details:

Rockjock rear coil spring shim for JL Wrangler is 3/16 in. FEATURES: Coil Spring Set. Thick and mounts between the welded on coil spring axle pad isolate.

RockJock continues to progress and innovate as new platforms of vehicles are introduced. Original packaging. Thus it became Johns goal to design and build the best-performing, strongest, most durable products on market. Placing an order outside the US is easy.

In his off-Reading adventures, John pushed the limits of vehicles coming to realization shortcomings equipment. These shims are used to fine tune vehicle height per model, engine combination and added weight load. From the JK Wrangler, JL Wrangler and JT Gladiator, John Currier personally continues to design, build, test, sell, install finest, cutting-edge, high-end suspension, steering towing components available. Coil Spring Shim; Rear; Axle Side; 0.1875 in.

Semi-gloss black powder coat finish. All accessories hardware. RockJock by John Curries roots run deep as keeping has been a love of the Currier family for decades. RockJock RJ-107400-1 Coil Spring Shim Fits 18-26 Wrangler JL.

Shims may be stacked a maximum of 2 high.

part #: rj1074001 prices

• $44.79-$52.60

specifications coilspringi:

• for models: Wrangler
• for years: 1926-2018
• brand: Rockjock
• mpn: Rj-107400-1
• placement on vehicle: Rear
• type: Coil Spring Set
• item width: 5.500
• country of origin: United States
• upc: 810038158174

offer coilspringi:

• sold: 0
• availability: In Stock
• quantity: 1
• started: February 13, 2026
• options: Ship-to-home

shipping coilspringi:

• transit: 5-10 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

payments coilspringi:

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

seller coilspringi:

• city: Louisville, Kentucky
• rating: 99.4%
• # reviews: 145918

general coilspringi:

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

returns coilspringi:

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

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