{"product_id":"turning-point-express-mach3-propeller-14-25x21-3-blade-stainless-steel-rh","title":"Turning Point Express Mach3 Propeller 14.25x21 – 3-Blade Stainless Steel, RH Rotation","description":"\u003ch2\u003eHigh-Performance Stainless Steel Propeller for High-Horsepower Outboards \u0026amp; Sterndrives\u003c\/h2\u003e\n\u003cp\u003eThe Express Mach3 14.25x21 is a 3-blade stainless steel propeller engineered for boats running 90–300+ hp engines with 4.75\" gearcases. Built from proprietary TP17™ stainless steel — featuring 20% higher chromium content than standard alloys — it delivers exceptional corrosion resistance, a high-gloss finish, and nearly 250% greater strength than conventional stainless steel. The result is a propeller that holds its edge season after season, even in demanding saltwater and high-speed applications.\u003c\/p\u003e\n\n\u003cp\u003ePerformance-tuned pitch angles, aggressive rake geometry, and large free-flowing exhaust ports (40% more exhaust area than typical competitors) work together to reduce backpressure, improve throttle response, and maximize top-end speed — without sacrificing hole shot or cornering control.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary TP17™ stainless steel — 20% more chromium, ~250% stronger, 5× more durable than standard stainless\u003c\/li\u003e\n\u003cli\u003ePerformance-tuned pitch, rake angles, and exhaust vents for all-around improvement\u003c\/li\u003e\n\u003cli\u003eLarge free-flowing exhaust ports — 40% more exhaust area for reduced backpressure and more power\u003c\/li\u003e\n\u003cli\u003eState-of-the-art casting technology with race-proven finish and tuning\u003c\/li\u003e\n\u003cli\u003eRight-hand (standard) rotation\u003c\/li\u003e\n\u003cli\u003e14.25\" diameter × 21\" pitch, 3-blade configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cp\u003eFits a wide range of outboard and sterndrive applications including Cox®, Evinrude®, Honda®, Johnson®, Mariner®, Mercury®, MerCruiser®, Nissan®, OMC®, OXE®, Parsun®, Suzuki®, Tohatsu®, Volvo Penta®, and Yamaha® engines. Always verify fitment using the manufacturer's application chart.\u003c\/p\u003e\n\n\u003ch3\u003eRequired Hub Kit\u003c\/h3\u003e\n\u003cp\u003eA hub\/installation kit is required and sold separately. Use a \u003ca href=\"\/products\/masterguard-hub-kit-500-500-series-4-25-4-75-gearcase-outboards-sterndrives\"\u003e500 Series Hub Kit\u003c\/a\u003e for engines under 200 hp, or the \u003ca href=\"\/products\/turning-point-propellers-masterguard-11701700-700-series-installation-hub-kit\"\u003e700 Series Hub Kit\u003c\/a\u003e for engines 200 hp and above. Refer to the application chart for the correct part number for your engine.\u003c\/p\u003e\n\n\u003ch3\u003eLeft-Hand Rotation Available\u003c\/h3\u003e\n\u003cp\u003eRunning a counter-rotating or twin-engine setup? The \u003ca href=\"\/products\/turning-point-propellers-31502122-express-mach3-propeller-14-25x21-3-blade-stainless-steel-lh-rotation\"\u003eExpress Mach3 14.25x21 in Left-Hand Rotation\u003c\/a\u003e is also available.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e Ideal for high-horsepower single-engine performance boats, bass boats, and offshore center consoles where top-end speed and aggressive acceleration are the priority. The 21\" pitch suits mid-to-high RPM applications — confirm WOT RPM falls within the engine manufacturer's recommended range before selecting pitch. If the engine is over-propped (RPM too low), step down to the \u003ca href=\"\/products\/turning-point-propellers-31431912-express-mach3-propeller-13-25x19-3-blade-stainless-steel-rh-rotation-standard\"\u003eExpress Mach3 13.25x19\u003c\/a\u003e. For a 17\" pitch option in this diameter, see the \u003ca href=\"\/products\/turning-point-propellers-31501722-express-mach3-propeller-14-25x17-3-blade-stainless-steel-lh-rotation\"\u003eExpress Mach3 14.25x17\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHub Kit Note:\u003c\/strong\u003e Always confirm the hub kit part number from the application chart — the wrong kit is the most common installation error. The \u003ca href=\"\/products\/turning-point-propellers-11501700-masterguard-installation-model-517-series-500\"\u003eMasterGuard Model 517\u003c\/a\u003e is a common fit for many 500 Series applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUpgrade Path:\u003c\/strong\u003e Customers upgrading from aluminum should expect a noticeable improvement in durability and handling. Speed gains over aluminum are modest (typically 0.5–1 mph) — set expectations accordingly and focus the conversation on longevity and performance consistency.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51215130263588,"sku":"708-31502112","price":785.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/708-31501710_5b0b9522-038d-4ceb-ba7b-09ae8e10be6d.jpg?v=1786150383","url":"https:\/\/marisolmarine.com\/products\/turning-point-express-mach3-propeller-14-25x21-3-blade-stainless-steel-rh","provider":"Marisol Marine Company","version":"1.0","type":"link"}