Pioneer 839010 Crankshaft Woodruff Key 2-Pack

The Pioneer 839010 Crankshaft Woodruff Key Set provides reliable engine timing alignment for automotive and small engine applications. This precision-machined component ensures proper positioning of timing gears, flywheels, and other critical crankshaft-mounted parts.

Key Features:

• Includes 2 woodruff keys for replacement or backup
• Precision dimensions: 0.188 inch width x 1.375 inch length
• Heat-treated steel construction for durability and wear resistance
• Compatible with standard crankshaft keyway slots
• Prevents timing gear slippage and ensures proper engine timing

Woodruff keys are essential components that lock rotating parts to the crankshaft, preventing rotation under high torque loads. The semi-circular design allows for easy installation and provides a secure mechanical connection between the shaft and mounted components.