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• Efficient, heavy-duty serpentine poly-V belts offer smooth, vibration-free high performance
• Reinforced 5 & 6-groove serpentine belts require half the tension
• Less belt strain means increased belt and pulley life combined with less belt friction means more horsepower
• 6PK, 6-Rib belts are heavier duty and commonly used on Super Late Models or higher horsepower applications
5PK/6PK-690HD (1035 Replacement) - 27.165"
5PK/6PK-695HD (1020 Replacement) - 27.362"
6PK-850HD (1004 Replacement) - 33.465"
6PK-890HD (1004-75 Replacement) - 35.039"