Description:

Performance Ratios Our performance serpentine pulley sets replace your Low performance V-belts and eliminate belt throwing while retaining your standard rotation water pump. Increases horsepower by reducing accessory drag. 12-15 h.p. at rear wheels typical. Precision CNC machined to run perfectly true. 6061-T6 aluminum for extra strength and wear. Finished with a ?No Polishing? clear powdercoat. High Water Flow Ratios Increases cooling by speeding up water flow and fan speed. This helps at critical low speed driving where most over-heating occurs. Precision CNC machined to run perfectly true. 6061-T6 aluminum for extra strength and wear. Finished with a ?No Polishing? clear powdercoat. Pictures are shown with optional alernator fan. *For MAR 6330 For P/S pulley keyway, order #616, for P/S pulley press fit order #617.