Alt. Pulley 6-Groove 2.44in OD

The Alt. Pulley 6-Groove 2.44in OD by Powermaster is a precision-engineered alternator pulley designed for builders, mechanics, and performance enthusiasts who demand reliable serpentine belt drive systems. This component serves as the critical interface between your engine's crankshaft and alternator, directly influencing charging system efficiency and overall underhood reliability.

The 6-groove design accommodates modern serpentine belt configurations while maintaining precise timing and load distribution across all contact surfaces. At 2.44 inches in outer diameter, this pulley provides the correct speed ratio for most standard alternator installations, balancing charging output with engine parasitic losses. Powermaster pulleys are manufactured to exacting tolerances, ensuring smooth operation and eliminating vibration that can degrade belt life or compromise alternator bearings.

Mechanics and engine builders trust this alternator pulley for street, race, and restoration applications. Whether you're rebuilding a high-output charging system or upgrading to a modern alternator, a quality alternator pulley ensures consistent power delivery and prevents belt slippage under demanding conditions.