S&S Cycle 33-2027 Tapered Pinion Shaft Assembly Big Twin

The S&S Cycle 33-2027 is a precision-engineered tapered pinion shaft assembly designed for Harley-Davidson Big Twin engines. This complete assembly is manufactured from high-quality steel and includes the tapered shaft, nut, and keys for a complete installation.

Key Features:

• Designed for use with standard bearing diameter
• Compatible with 1981-1999 Big Twin engines with OEM flywheels
• Works with 1984-1999 Evolution Big Twin engines and S&S flywheels
• Complete assembly includes tapered shaft, nut, and Woodruff keys
• Precision-machined steel construction for durability and reliability
• Made in the U.S.A. to exacting S&S quality standards

This pinion shaft assembly is a critical component in the flywheel assembly, connecting the flywheel halves and transmitting power through the engine. The tapered design ensures proper alignment and secure fitment when installed to the correct torque specifications. S&S Cycle recommends using proper installation procedures including thread-locking compound on the taper and threads for optimal performance and longevity.