Solas RBX106 Rubex Hub Kit For use with Rubex Interchangeable Hub System Propellers. Also works with Michigan Wheel, Mercury Flo Torq and Turning Point propellers with interchangeable hubs. Application EvinrudeJohnsonBRP 40-75 HP Large gearcase 1968 Newer, 13 Spline 4-14 Gearcase 85-140 HP 1969 Newer, 13 Spline 4-14 Gearcase OMCCobra Sterndrives Model 400 Cobra 1978-91, 13 Spline 4-14 Gearcase California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google P