Chevrolet Performance crankshaft pulley and harmonic balancer straight key provides a direct-replacement solution for securing the pulley and balancer to the crankshaft on compatible GM engine applications.

Chevrolet Performance 12561513 Features:

• Engine crankshaft pulley and harmonic balancer key
• Direct-replacement design for compatible GM applications
• Maintains positive alignment between the crankshaft and keyed component
• Sold individually