Progressive Suspension 412 Series Shocks For Harley Models

Upgrade your Harley-Davidson's suspension with the Progressive Suspension 412 Series shocks. These shocks offer a cost-effective and durable solution to improve your motorcycle's handling and ride quality. Available in multiple styles, the 412 Series is designed for easy installation and lasting performance.

Description

The Progressive Suspension 412 Series shocks are engineered to provide a significant improvement over stock Harley-Davidson suspension. Featuring a simple yet robust design, these shocks offer enhanced damping and control, ensuring a smoother and more comfortable ride. The five-position cam-style spring load preload adjuster allows you to easily fine-tune the suspension to your specific needs and riding style. Choose from various aesthetic options, including full show-chrome or black covers, and chrome or black springs and end caps, to match your bike's appearance. These shocks are measured center-of-eyelet to center-of-eyelet for accurate fitment. Built with quality materials and gas-charged damping, the 412 Series shocks deliver consistent performance and reliability. They're a perfect upgrade for riders seeking improved handling and comfort on their Harley.

Features & highlights

• Enhance your Harley's handling and ride quality with these durable shocks.
• Easily adjust the suspension with the five-position cam-style spring load preload adjuster.
• Customize your bike's look with multiple style options, including chrome or black finishes.
• Experience consistent performance and reliability thanks to the gas-charged damping system.
• Improve damping and control for a smoother, more comfortable ride.
• Upgrade from stock Harley-Davidson suspension for enhanced handling.
• Made in the USA.

Technical specifications

• Brand: Progressive Suspension
• Product Name: Shock Absorber
• Vendor Part Number: 412-4018C
• Type: Coilover Monotube
• Mounting Position: Rear
• Damping Method: Gas Charged
• Adjustment Style: Automatic
• Spring Type: Single Progressive Rate
• Progressive Spring Rate: 2.90 kg/mm - 3.40 kg/mm (160 lb/in - 190 lb/in)
• Extended Length: 343.00 mm (13.50")
• Material: Steel
• Color/Finish: Black, Chrome
• Duty: Standard
• Reservoir Location: Internal
• Units: Pair

Important to know

Some shocks listed are approved for road use; refer to the most recent certificate for the current listing. When installing shocks on '86-'15 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance. A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering. A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering. Heavy-duty applications are recommended for bikes operated at or near the manufacturer's maximum load rating over 50% of the time. Before purchasing or attempting to install shocks that are different from the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact, as well as chain/belt guard or tire contact.

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