Enter to win an ARS-5 voltage regulator from Balmar. This regulator is ideal for almost any single P-type alternator installation and features five programs for charging based on deep-cycle flooded, gel, AGM or Optima spiral wound battery technologies, plus a universal default program that's perfect for standard flooded batteries. Built-in belt load management software provides simple adjustment to limit belt slippage and wear. Also includes alternator and battery temperature sensing (requires optional sensors) and output for a charge lamp. Includes a 54-inch wiring harness. A $369.95 value.

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Certain restrictions apply. Open to U.S. residents only. One entry per email address per day. Winners will be notified by email. See official rules for more information.

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