1. APPLICABLE : Fit for Mariner: 2 cycle 60 , 4?stroke 40 ? 60 , 70 ? 250 ; Fit for Force: 90 ? 120 ; Fit for Mercruiser: for Alpha and for Alpha One, for Bravo One (less than 400 ).2. PART NUMBERS: OE numbers for reference are 835290Q1, 835266A1. Original standard, the manufacturing in accordance with strict OE specifications, direct replacement3. MATERIAL: The propeller hub drive sleeve is made from high strength and rubber materials, ensuring longevity and reliable performance.4. ENHANCED PROPELLER PERFORMANCE: This propeller hub drive sleeve enhances the performance of the propeller, ensuring smooth and efficient operation.5. EASY INSTALLATION: The prop hub drive sleeve is designed for easy installation, allowing for hassle replacement or installation on the propeller hub.Spec:Item Type: Propeller Hub Drive SleeveMaterial: RubberOE: 835290Q1, 835266A1Installation Type: Direct Replacement for Original PartApplicable : Fit for Mariner: 2 cycle 60 , 4-stroke 40 - 60 , 70 - 250 Fit for Force: 90 - 120 Fit for Mercruiser: for Alpha and for Alpha One, for Bravo One (less than 400 )Fit for Mercruiser Flo Torsion II Proppacking list:1 x Propeller Hub Drive SleeveNote:Please verify the part number and vehicle model year before purchase, and ensure compatibility.