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Progressive Suspension 412 Series Shock - 12.5 inch Standard Black for Harley FLH/T Models (Part #412-4071B)
Regular price $379.95 USD
Category:
The Progressive Suspension 412 Series Shock is designed specifically for Harley Davidson models, providing a simple and durable upgrade to enhance your motorcycle's suspension performance. With a length of 12.5 inches, these shocks offer a balanced ride quality suitable for a variety of riding conditions. The adjustable five-position cam-style spring preload allows riders to easily dial in the suspension to match their weight and riding style, ensuring optimal comfort and handling. Crafted in the USA, these shocks are built with quality materials and feature a versatile design that complements the aesthetic of your Harley, whether you prefer a full show-chrome or black covers, springs, and end caps.
Installation may require modifications or spacers for models from 1986 to 2015 XL to ensure proper clearance around the chain or belt guard. When replacing stock shocks with slightly longer or shorter alternatives, it is important to verify that wheel travel remains unobstructed and that there are no contact issues with the swingarm, exhaust, or tires. Heavy-duty applications are recommended for bikes frequently operated near the maximum load rating, ensuring durability and performance under demanding conditions. These shocks are approved for road use, providing a reliable upgrade that enhances ride quality and motorcycle control without sacrificing safety or compliance. Whether you're looking for a cost-effective improvement or a custom setup, the PROGRESSIVE SUSPENSION 412 Series shocks are an excellent choice for Harley Davidson enthusiasts seeking dependable, adjustable suspension components.
Features:
- Designed specifically for Harley Davidson models, providing a tailored fit and performance.
- Five-position cam-style spring preload adjuster for easy ride customization.
- Made in the USA with durable materials for long-lasting performance.
- Versatile styling options, including full chrome or black covers, springs, and end caps.
- Suitable for road use with current certification; modifications may be necessary for certain models.
- Adjustable length options can influence steering dynamics; longer shocks may quicken steering, shorter shocks may slow it down.
- Heavy-duty applications recommended for bikes frequently near maximum load capacity.
- Installation may require clearance modifications for models from '86-'15 XL to avoid contact issues.





