Part numbers ACA1800, CB5010. Before purchasing, please confirm compatibility with your vehicle. Professional installation is highly recommended. Compatible transmissions - GM TurboHydramatic 350 (TH350), 400 (TH400), 200 (TH200), 200-4R (TH2004R), 700R4 (TH700R4), 4L60, 4L60E, 4L80E - WILL NOT FIT GM 6L80E transmission Material and build - Constructed from premium billet aluminum - Wear-resistant and corrosion-resistant - Rigid design for long-lasting performance Functions and installation - Adjustable column shift linkage kit connects your column shift to the transmission with improved precision - Enhances shift smoothness and helps correctly align the desired gears when shifting - Installation is straightforward, but professional installation is recommended Use scenarios - Restoring a GM classic with a column-shift transmission to improve shift accuracy and reliability - Building a street rod or hot rod that requires precise linkage alignment to prevent mis-shifts - Performing a transmission swap or engine swap that needs an adjustable linkage to match the shift lever to the transmission