{"product_id":"ksjed-marine-flo-torq-ii-hub-kit-for-mercury-60-300-hp-replacement-835257q1-reduces-vibration-shifting-noise","title":"KSJED Marine Flo-Torq II Hub Kit for Mercury 60–300 HP — Replacement 835257Q1, Reduces Vibration \u0026 Shifting Noise","description":"\u003cp\u003e\u003cstrong\u003eKSJED Marine Flo-Torq II Hub Kit (replacement for 835257Q1 \/ 835257K1) is a complete propeller hub assembly designed to reduce shifting noise and prop rattle while transferring engine torque smoothly to compatible Mercury and MerCruiser drives.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis hub kit is engineered for a wide range of outboards and stern drives, including Mercury 60–300 HP models, Verado 200–300 HP, and MerCruiser Alpha and Bravo One units. It replaces OEM part numbers 835257Q1 and 835257K1 and includes the forward thrust washer, drive sleeve, aft adaptor, tab washer and propeller nut—everything needed to restore a Flo-Torq II style hub system. The design helps dampen vibration and protect the propeller and shaft from shock loads without altering propeller fitment for compatible models.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and propellers will this hub kit work with?\u003c\/h3\u003e\n\u003cp\u003eThis kit fits many Mercury\/Mariner outboards and MerCruiser stern drives across a broad horsepower range. It covers Mercury 60–300 HP, select Verado and MerCruiser applications, and is compatible with propellers that accept Flo-Torq II hubs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Mercury 60–300 HP and Mariner equivalents\u003c\/li\u003e\n  \u003cli\u003eCompatible with Verado 200–300 HP (not for Verado V8 with 1.25\" prop shafts)\u003c\/li\u003e\n  \u003cli\u003eFits MerCruiser Alpha \u0026amp; Bravo One sterndrives (120–375 HP)\u003c\/li\u003e\n  \u003cli\u003eWorks with 13 1\/4×17 and 14 1\/2×19 propeller sizes and Michigan Wheel\/Mercury interchangeable props\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installing this hub kit affect noise, vibration, and shifting?\u003c\/h3\u003e\n\u003cp\u003eThe Flo-Torq II design provides cushioning between the propeller and the drive, which reduces propeller rattle and clutch engagement noise. You should notice smoother power transfer and fewer abrupt shocks during gear changes, especially under load or when reversing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces shifting clunk and propeller vibration\u003c\/li\u003e\n  \u003cli\u003eDampens torsional shock to protect drivetrain components\u003c\/li\u003e\n  \u003cli\u003eImproves perceived drive smoothness during acceleration and deceleration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and are they OEM-equivalent?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships complete with the parts needed to rebuild a Flo-Torq II hub assembly, matching common OEM layouts without requiring additional parts for most installations. It is supplied as a replacement for OEM reference numbers 835257Q1 and 835257K1.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForward thrust washer, drive sleeve, aft adaptor included\u003c\/li\u003e\n  \u003cli\u003eTab washer and propeller nut provided for secure installation\u003c\/li\u003e\n  \u003cli\u003eBuilt to fit standard Flo-Torq II propellers—no machining required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there fitment exceptions or installation notes I should know?\u003c\/h3\u003e\n\u003cp\u003eWhile the hub system fits a wide selection of engines and props, it is not universal. Verify shaft diameter and propeller compatibility before purchase; the kit is not compatible with Verado V8 engines using 1.25\" prop shafts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot for Verado V8 with 1.25\" propeller shafts\u003c\/li\u003e\n  \u003cli\u003eConfirm spline count (15-spline) and prop acceptance of Flo-Torq II\u003c\/li\u003e\n  \u003cli\u003eCheck prop dimensions (13 1\/4×17 and 14 1\/2×19 examples) for fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This KSJED Flo-Torq II hub kit is aimed at boat owners, mechanics and marine service shops that need a reliable replacement hub for Mercury and MerCruiser outboards and stern drives. If you operate a vessel with Flo-Torq II-compatible propellers and want to cut down on drivetrain noise, protect your prop and shaft from sudden shock loads, or restore factory-style engagement performance, this kit provides the essential parts to complete the repair.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this hub kit compatible with my Mercury 115 HP outboard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this kit fits Mercury 90–115 HP models (1978 \u0026amp; newer) and other listed Mercury\/Mariner engines accepting Flo-Torq II.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed to replace a Flo-Torq II hub?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes; it includes the forward thrust washer, drive sleeve, aft adaptor, tab washer and propeller nut for most installations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KSJED","offers":[{"title":"Default Title","offer_id":48085236220062,"sku":"B0GSCQSSFG","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ksjed-hub-kit-front-packaging.jpg?v=1785868181","url":"https:\/\/northtrailauto.ca\/products\/ksjed-marine-flo-torq-ii-hub-kit-for-mercury-60-300-hp-replacement-835257q1-reduces-vibration-shifting-noise","provider":"North Trail Auto","version":"1.0","type":"link"}