Hughes Performance Pro Series Two Stage torque converter dump valve kits are two-stage complete kits for adding a dump valve to your Powerglide transmission. They offer increased stall speed while staging against the transbrake, faster engine/converter response, andreduced loading against the engine thrust bearing. They can also be applied down-trackto help manage engine load andpower application to the rear wheels. Hughes Performance ProSeries Powerglide torque converter dump valve kits are also available as upgrades on their Powerglide transmissions.