S&S Cycle 90-4140 Rocker Arm Support Assembly for Harley-Davidson

The S&S Cycle 90-4140 Rocker Arm Support Assembly is a precision-engineered replacement component designed for use with S&S die-cast rocker covers on Harley-Davidson Big Twin engines. This critical valvetrain component serves as the mounting foundation for rocker arms, ensuring proper valve operation and reliable engine performance.

Key Features:

• Designed as a direct replacement for S&S die-cast rocker cover applications
• Compatible with 1984-2017 Harley-Davidson Big Twin engines including Twin Cam 88 and TC 96
• Die-cast construction provides strength and durability for long-term reliability
• Precision-machined to ensure proper rocker arm alignment and operation
• Sold individually (quantity of 2 recommended for complete engine rebuild)

This rocker arm support is an essential component when servicing or rebuilding your S&S valvetrain system. It provides the stable mounting platform necessary for optimal rocker arm geometry and valve timing. The support is engineered to work seamlessly with S&S rocker arms, shafts, and die-cast rocker covers for complete valvetrain compatibility.

Note: Rocker arms are sold separately and are not included with this support assembly.