Powerbond Underdrive Power Pulley Kits

• Underdrive balancer kit produces more horsepower

• Smaller diameter harmonic balancer reduces inertia for faster engine acceleration.

• SFI race harmonic balancer included for unbeatable strength and durability.

• Includes full set of all metal Dayco Nuline heavy duty idler pulleys.

• Premium Dayco poly V drive belts included for quiet running and minimum belt slip.

Kit Includes 

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