Progressive Suspension 494 Sport Series Shocks For Harley The Progressive Suspension 494 Sport Series Shocks deliver exceptional performance and ride quality at an outstanding price. Designed for adjustable rebound to tailor your ride, these shocks utilize high-pressure monotube construction with advanced deflective disc dampening and manually adjustable preload, ensuring consistent performance across various conditions. The inclusion of a progressive rate spring and a specially designed jounce bumper with a metal cup guarantees smoother handling and minimized bottoming out. Perfect for both daily rides and racetrack demands, each shock comes with a limited lifetime warranty, ensuring they are hand-built, precisely adjusted, and thoroughly tested for quality assurance. Features: High pressure gas monotube Deflective disc damping Lightweight aluminum body Adjustable rebound damping Adjust preload by hand Progressive rate coil spring Jounce bumper with built-in cap Standard or heavy duty Standard bushings Lifetime limited warranty