S&S Cycle 1984+ BT 1.625 To 1 Ration Rocker Arm Assembly
$110.99
- 1984+ Big Twin 1.625 To 1 Ration Rocker Arm Assembly
The S&S Cycle 900-4119RA rocker arm assembly is designed for 1984 and later Harley-Davidson Big Twin applications. Built to support reliable valvetrain operation, this assembly features a 1.625-to-1 rocker arm ratio to help optimize valve lift and overall engine performance when matched with compatible components.
Manufactured by S&S Cycle, a trusted name in powersports performance components, this rocker arm assembly is suited for engine builders, performance enthusiasts, and professional technicians seeking dependable replacement or upgrade hardware. Its application-specific design helps provide proper fitment for compatible 1984+ Big Twin valvetrains.
Verify engine application, cylinder head compatibility, valve-train geometry, and supporting components before installation. Proper setup is essential for achieving correct rocker arm clearance and reliable operation. The S&S Cycle part number 900-4119RA should be used when confirming compatibility with your motorcycle or engine build.
Features:
- Application: Designed for 1984 and later Harley-Davidson Big Twin engines
- Rocker Arm Ratio: 1.625-to-1 ratio supports optimized valve-train geometry
- Component Type: Rocker arm assembly for compatible Big Twin applications
- Brand: S&S Cycle performance-engineered powersports component
- Part Number: 900-4119RA