- 3/4 in. long bushings provide 50% more bushing support area than 1/2 in. long bushings
- Extremely durable rollers reduce valve stem side thrusting with high lift cams
- Superior wear and fatigue resistance even in the most demanding applications
- Available in stock 1.625:1 ratio or performance 1.725:1 ratio
- Kit contains 2 front and 2 rear rocker arms
- 1986-2016 HD® Big Twins
Upgrade your Harley-Davidson Big Twin engine with the S&S Cycle 900-4098A rocker arm set designed for models from 1984 onward. This set includes four rocker arms, with two front and two rear components, engineered to enhance engine performance and durability. The 1.725:1 ratio provides improved valve control, contributing to increased horsepower and torque while maintaining reliable operation. Crafted for demanding applications, these rocker arms feature a robust design that withstands high stresses and high lift cam profiles.
The set incorporates 3/4 inch long bushings that offer 50% more support area compared to standard 1/2 inch bushings, resulting in better stability and longevity. Each roller is engineered for superior wear resistance and fatigue endurance, reducing the risk of component failure over time. These high-quality components are ideal for performance-oriented builders seeking durability and increased engine efficiency.
Suitable for use in a wide range of Harley-Davidson Big Twin models from 1986 to 2016, this kit ensures a direct fit and straightforward installation. The components are designed to withstand the rigors of high-performance applications, making them a reliable upgrade for enthusiasts aiming to maximize their engine’s potential. Whether restoring a vintage bike or building a custom performance machine, the S&S Cycle rocker arm set offers premium quality and enhanced performance features.
Features:
- 3/4 inch long bushings provide 50% more support area than 1/2 inch bushings
- Extremely durable rollers reduce valve stem side thrusting with high lift cams
- Superior wear and fatigue resistance even in demanding applications
- Available in stock 1.625:1 ratio or performance 1.725:1 ratio
- Kit contains 2 front and 2 rear rocker arms
- Designed for 1986-2016 Harley-Davidson Big Twins