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The Progressive Suspension 412 Series Shock (Part Number: 412-4038B) is engineered specifically for Harley-Davidson FXD models, offering a simple yet durable upgrade to enhance your motorcycle's suspension performance. Crafted in the USA, this shock absorber features a robust design that provides a cost-effective solution for riders seeking improved ride quality and handling. Its five-position cam-style spring preload adjuster allows you to easily customize the ride stiffness to match your riding style and load conditions, ensuring optimal comfort and stability on the road. Designed with versatility in mind, the 412 series is available with options like full show-chrome or black covers, as well as chrome or black springs and end caps, enabling you to match your bike’s aesthetic preferences. All shocks are measured from center-of-eyelet to center-of-eyelet, facilitating straightforward installation and compatibility. When installing these shocks on 1986-2015 XL models, some modifications or spacers might be required for the chain or belt guard to ensure proper clearance. The slightly longer or shorter versions compared to stock can subtly alter the head angle, resulting in quicker or slower steering response, respectively. For heavy-duty applications, such as frequent high-load riding near the manufacturer's maximum capacity, a more robust shock is recommended. Before installation, verify that your wheel travel and clearance points, including swingarm, axle, exhaust, chain/belt guard, and tires, are compatible with the shock length to prevent contact issues. This shock is approved for road use, and riders should refer to the latest certification to ensure compliance. Improve your Harley's ride quality with the reliable, adjustable, and American-made Progressive Suspension 412 Series Shock, tailored to meet the demands of both casual and aggressive riders.
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