Feature:1. Fitment: Fit for 60300HP,15 spline; Fit for MerCruiser Alpha and Bravo One Sterndrives 120375hp; Fit for Mariner 135250 HP; Fit for Verado 200300 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 KitMaterial: CopperOE: 835257K1, 835257Q1Fitment:Fit for 60-300HP,15 splineFit for MerCruiser Alpha and Bravo One Sterndrives 120-375hpFit for Mariner 135-250 HPFit for Verado 200-300 HPFit for Mariner 75 HP 1984 and Newer, 90 115 HP 1978 and Newer, 125 HP 1994 and NewerFit for Alpha Bravo One Sterndrives Mariner 75 HP 1984 and Newer, 90 and 115 HP 1978 and Newer, 125 HP 1994 and NewerThis hub kit will fit all propellers that accept for Flo-torq IIDoes not fit for Mariner 1977 and olderNot compatible with for Verado V8 engines equipped with 1.25in fpropshafts.Package List:1 xPropeller Hub Kit (5PCS)Note:Please double check the part number of your item, matching information is for reference only.