How to properly set up your Tru-Shift throttle cable correction system. Are you running a 700R4 or 2004R Transmission with an aftermarket carburetor? If you are then you need this Tru shift cable operated system in your hot rod. This will save the life of your precious transmission. Trusted by the best. Bowler Performance Transmissions Tru Shift. Please follow us Instagram: / bowlertransmissions Facebook: / bowlerperformance Website: www.bowlertransmissions.com