What's the difference between a Raybestos Powertrain Torqkit & ZPak?

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers explains how Torqkits are designed to increase the capacity of a clutch pack, and how ZPaks not only increase capacity but also are designed to create cooler temperatures during apply and reduce hot spotting of the steel clutch plates within automatic transmissions.