Rocker Arm Shafts - Twin Cam | XL
The S&S CYCLE Rocker Arm Shafts, model 90-4036, are engineered for durability and precision in motorcycle valve train systems. Crafted from bearing quality steel, these shafts undergo precision centerless grinding to ensure a perfect fit and smooth operation. Their robust construction offers a 66% increase in strength compared to standard components, providing enhanced resistance against damage from radical cam profiles. Designed as direct replacements for OEM parts, they simplify installation and ensure compatibility with Twin Cam and XL engines. Made in the USA, these rocker shafts exemplify quality and reliability for demanding riding conditions.
Features:
- Made from bearing quality steel for durability and longevity
- Precision centerless ground for a smooth and accurate fit
- 66% stronger than standard rocker shafts, offering increased resistance to damage
- Designed to withstand radical cam profiles and high-stress conditions
- Direct replacement for OEM rocker arm shafts for easy installation