OEM Indmar kit for update and replacement of the ZF Ski-Vee 40IV, 45IV and 45-1IV models with manual cable shift Includes transmission, v-drive and necessary hardware for conversion Undermount propeller shaft coupler design No dimensional changes occur with conversion 1.46:1 v-drive gear ratio Transmission cooler must be ordered separately for the specific engine application Cooler replacement required to validate warranty Flywheel mounted damper plate should be inspected for condition or replaced Uses Indmar ATF part number 872020 in the transmission portion Uses Indmar lubricant part number 872022 synthetic 50W oil in the v-drive portion