6 rib 65mm Serpentine Pulley

6 rib 65mm Serpentine Pulley Upgrade your 6 rib 65mm Serpentine Pulley with a high-output alternator from JS Alternators. Built...
JS Alternators Art: 6v65mm pulley
    Sale price $29.99Regular price $34.99
    Regular price $29.99

    6 rib 65mm Serpentine Pulley

    6 rib 65mm Serpentine Pulley - JSI Racing

    6 rib 65mm Serpentine Pulley

    Upgrade your 6 rib 65mm Serpentine Pulley with a high-output alternator from JS Alternators. Built with hairpin (6-phase) technology for higher idle output and improved efficiency over conventional alternators.

    Key Features

    • Hairpin (6-Phase) Design — More output at idle, more efficient than conventional alternators
    • Premium Bearings — Built to withstand high engine RPM
    • Dual Plate Rectifier — 12 heavy-duty diodes for improved cooling
    • Smaller Pulley Included — Spins faster for maximum output
    • High-Output Performance — Built for car audio, marine, racing, and high-demand electrical systems

    Fitment

    • 6 rib 65mm Serpentine Pulley

    Notes

    • A smaller pulley is included — install a 1/2" to 1" shorter belt for proper fit

    Pro Tip: When installing a smaller pulley alternator, measure your current belt and purchase one that is 1/2" to 1" shorter for the best fit.