PowerPack "Big Block" 40 Series Reverse Gearbox assembly video.

It's here! Introducing the Big Block PowerPack bracket kit for the GX390 style Big Block engines. Including the 420 and 459cc Predator's, as well as the new Duromax 500cc big bore single. Utilizing the larger 40 series reverse gearbox and 40 series CVT Belt Drive transmission, the big block PowerPack takes everything up a level over the mighty 212cc PowerPack. Bigger, heavier and more powerful, the Big block is a great option from cross carts to golf carts and add a significant power upgrade from the 212 Predator.