TCI Powerglide Pro-Tree Transbrake Valve Kit 91629039 They come in a diverse

They come in a diverse selection of sizes

Fits all GM LS Gen III or IV engines equipped with LS3/L92 style rectangular port cylinder heads

Bushwacker has built a reputation as the leading manufacturer of fender flares and truck accessories for decades of design and innovation

CNC machined

1964-1967 with a TH400 (Short Tail Only) and 2004R And in 1968 -1972 it fits the previous Plus

TCI Powerglide Pro-Tree Transbrake Valve Kit 91629039 They come in a diversePowerglide Pro Tree Transbrake Kit. This Transbrake Valve Body for Powerglide is designed to provide consistent 60 Foot Times by transmitting power immediately to the rear tires. Features Standard Shift Pattern w Safe Neutral. TCI Transbrake Valve Bodies allow you to achieve maximum torque converter stall and provide for quicker and more consistent reaction times and 60 foot times. This is due to the transbrake action which prevents an engine's torque