Features: 1.Fitment: Fit for 60?300HP,15 spline; Fit for MerCruiser Alpha and Bravo One Sterndrives 120?375hp; Fit for Mariner 135?250 HP; Fit for Verado 200?300 HP. 2.OE Numbers: Replacing manufacturer part number for reference are 835257K1, 835257Q1. Double check your OEM part number for proper fitment. 3.High Performance: The prop hub kit provides excellent connectivity and rotational performance, allowing the propeller to fit seamlessly with the drivetrain, restoring power output and sailing performance. 4.Solid Construction: Propeller hub kit is constructed of high strength copper material, high temperature resistant, sturdy and durable, not easy to break. 5.Direct Replacement: Professional manufacturing, this is your ideal option and replacement for your rebuild, repair, and maintenance needs. Specification: Item Type: Propeller Hub Kit Material: Copper OE: 835257K1, 835257Q1 Fitment: Fit for 60-300HP,15 spline Fit for MerCruiser Alpha and Bravo One Sterndrives 120-375hp Fit for Mariner 135-250 HP Fit for Verado 200-300 HP Fit for Mariner 75 HP 1984 and Newer, 90 115 HP 1978 and Newer, 125 HP 1994 and Newer Fit for Alpha Bravo One Sterndrives Mariner 75 HP 1984 and Newer, 90 and 115 HP 1978 and Newer, 125 HP 1994 and Newer This hub kit will fit all propellers that accept for Flo-torq II Does not fit for Mariner 1977 and older Not compatible with for Verado V8 engines equipped with 1.25in fpropshafts Note: Please double check the part number of your item, matching information is for reference only.