Progressive Suspension 412 Series Shock - 13.5 Inch Heavy Duty Black for Harley FLH - Part #412-4021B

The Progressive Suspension 412 Series Shock, designed specifically for Harley FLH models, offers an affordable upgrade to enhance your motorcycle's suspension performance. With a durable and straightforward design, these shocks provide reliable ride quality and are suitable for a variety of riding conditions. The 13.5-inch length and heavy-duty construction deliver improved handling and stability, especially when carrying heavier loads or riding on rugged terrain.
Features include a five-position cam-style spring load preload adjuster, allowing you to easily customize the ride height and firmness to suit your riding style. These shocks are available in different visual styles, such as full show-chrome or black covers, along with chrome or black springs and end caps, giving you options to match your bike’s aesthetic. Made in the USA, they are built with quality materials to ensure long-lasting performance.
When installing these shocks on Harley models from 1986 to 2015 XL series, some modifications may be necessary, such as adjusting or spacing the chain or belt guard for proper clearance. Slightly longer shocks can subtly alter the head angle, leading to quicker steering, whereas shorter shocks may slow steering responsiveness. It is important to verify that your wheel travel can accommodate these changes without interference with components like the swingarm, axle, exhaust, or tires.
Heavy-duty applications are recommended for riders operating near or at the maximum load capacity for extended periods, ensuring durability under demanding conditions. Always confirm that your motorcycle's clearance and travel specifications are compatible before replacing OEM shocks with different lengths. These shocks are approved for road use, providing a reliable and cost-effective way to upgrade your Harley's suspension system for improved ride quality and handling.

Features:

• Designed specifically for Harley FLH models, offering a tailored fit.

• Five-position cam-style spring preload adjuster for easy ride customization.

• Heavy-duty construction for enhanced durability and load capacity.

• Available in multiple styles including full show-chrome or black covers with matching springs and end caps.

• Made in the USA with high-quality materials for longevity.

• Optimized length may alter steering response for improved handling or slower turns.

• Compatibility with models from 1986 to 2015, with potential installation modifications required.

• Suitable for road use and various riding conditions, rated for demanding applications.