The Harrop 12PK Drive System is designed for the standard ATI LSA balancer. It features a 3-idler mount for improved belt wrap and reduced slip. The included Harrop tensioner ensures proper belt tension with limited belt options.

Upgrade your LSA powered engine with the HARROP 12PK Drive System, engineered to work seamlessly with the standard ATI balancer. This setup allows for an increase in supercharger RPM when paired with the appropriate supercharger drive pulley.

The 3-idler mount delivers superior belt wrap to reduce slip.

Pair with the HARROP LSA FEAD Tensioner ensure optimal belt tension and reliability.