Check the listing for details. For Mercury MerCruiser Alpha Propeller Hub KIT Flo-Torq 2 II # 835257K1 835257Q1. Condition: New. Listed at 29.99 USD. Flo-Torq II is the world's first modular hub system for outboard and sterndrive enginesField serviceable: No need to miss time on the water waiting for rubber hub replacement workFlo-Torq hub systems cushion and protect the drivetrain from most impactsFor use with Mercury/Mariner 40-60 HP Command Thrust, 70-250 HP, Force 90-120, and Verado 150-300 (six-cylinder with 1" prop shaft only)For use with MerCruiser Alpha, Alpha One & Bravo One (under 400 HP). 1.These are after market products: Fit for Mercury 60-300HP propeller installation;works with other aftermarket props also;Reference No.835257Q1;2. Outstanding Quality: Outstanding Quality based on strict quality control,modular hub system for outboard and sterndrive engines3.Engine Types:Fits Mercury 60-300HP,15 spline ; Please check your engine type before purchasing ;Orignal factory product fit Qiclear 13 1/4*17 and 14 1/2*19 propellers4.Sold As Seen In Pictures: Hardware kits come exactly as picture showing ; Include:forward thrust washer, drive sleeve, aft adaptor,tabwasher and propeller nut,fit for Props well;Easy and convenient to install,Good choice for replace the old or broken one and spare back up.5.Service Promise: Quality and performance are guaranteed, free return is acceptable;Please refer to below product description for details. ● Engine Application:Fits Mercury 60-300HP,15 spline ,Replaces OEM Numbers: 835257Q1Fits MerCruiser 120-375hp Alpha and Bravo One SterndrivesFit Mercury / Mariner 135-250 HPFit Verado 200-300 HPFit Mercury / Mariner 75 HP 1984 & Newer, 90 & 115 HP 1978 & Newer, 125 HP 1994 & NewerFits Alpha and Bravo One Sterndrives Mercury / Mariner 75 HP 1984 & Newer 90 & 115 HP 1978 & Newer 125 HP 1994 & NewerThis hub kit will fit all Mercury made propellers that accept Flo-torq IIDoes not fit Mercury/Mariner 1977 and olderFlo-Torq II is the world's first modular hub system for outboard and sterndrive enginesField serviceable: No need to miss time on the water waiting for rubber hub replacement workFlo-Torq hub systems cushion and protect the drivetrain from most impactsFor use with Mercury/Mariner 40-60 HP Command Thrust, 70-250 HP, Force 90-120, and Verado 150-300 (six-cylinder with 1" prop shaft only)For use with MerCruiser Alpha, Alpha One & Bravo One (under 400 HP). 1.These are after market products: Fit for Mercury 60-300HP propeller installation;works with other aftermarket props also;Reference No.835257Q1;2. Outstanding Quality: Outstanding Quality based on strict quality control,modular hub system for outboard and sterndrive engines3.Engine Types:Fits Mercury 60-300HP,15 spline ; Please check your engine type before purchasing ;Orignal factory product fit Qiclear 13 1/4*17 and 14 1/2*19 propellers4.Sold As Seen In Pictures: Hardware kits come exactly as picture showing ; Include:forward thrust washer, drive sleeve, aft adaptor,tabwasher and propeller nut,fit for Props well;Easy and convenient to install,Good choice for replace the old or broken one and spare back up.5.Service Promise: Quality and performance are guaranteed, free return is acceptable;Please refer to below product description for details. ● Engine Application:Fits Mercury 60-300HP,15 spline ,Replaces OEM Numbers: 835257Q1Fits MerCruiser 120-375hp Alpha and Bravo One SterndrivesFit Mercury / Mariner 135-250 HPFit Verado 200-300 HPFit Mercury / Mariner 75 HP 1984 & Newer, 90 & 115 HP 1978 & Newer, 125 HP 1994 & NewerFits Alpha and Bravo One Sterndrives Mercury / Mariner 75 HP 1984 & Newer 90 & 115 HP 1978 & Newer 125 HP 1994 & NewerThis hub kit will fit all Mercury made propellers that accept Flo-torq IIDoes not fit Mercury/Mariner 1977 and older