K1 and K2 kit upgrade

If you want a rebuilt transmission from us - select option accordingly

We will renovate and modify your transmission if you send your transmission to us

For more information read description!

We've been running with our modified 722.6 trannys over 1200hp!!!!

722.6 Gearbox Controller Complete with a bolton harness, boost sensor and display

For harder and faster shift

You need to send your valvebody to us

We will renovate and modify your transmission for you.