{"product_id":"mercury-spitfire-x7-19p-48-8m0151363","title":"Mercury – SpitFire X7 4-Blade Stainless Steel Propeller | 12.8\" Diameter x 19\" Pitch | Right-Hand Rotation | 4-Blade | Stainless Steel | Polished Finish | 8M0151363","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – SpitFire X7 4-Blade Stainless Steel Propeller | 12.8\" Diameter x 19\" Pitch | Right-Hand Rotation | 4-Blade | Stainless Steel | Polished Finish | 8M0151363\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you’ve ever felt that perfect mix of power and precision when your boat hooks up and takes off, you’ll understand why the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury SpitFire X7 12.8x19 Right-Hand 4-Blade Stainless Steel Propeller (8M0151363)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e has such a loyal following. It’s built for boaters who live for that instant throttle response the kind that sends your \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboat out of the hole and onto plane\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e before you can even grin.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis prop doesn’t just deliver speed; it delivers control. It’s the bridge between raw horsepower and pure confidence, turning every turn, trim, and throttle adjustment into something you can \u003c\/span\u003e\u003cem\u003e\u003cspan data-preserver-spaces=\"true\"\u003efeel\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Whether you’re carving through open water or cruising smooth and steady, the SpitFire X7 keeps your boat locked in, responsive, and eager for more.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDiameter and Pitch:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 12.8\" Diameter x 19\" Pitch\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRotation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Right-Hand Rotation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBlade Count:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 4-Blade Design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Mercury X7 Stainless Steel Alloy (\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e30% stronger and four times more durable than standard stainless steel\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Polished Stainless Steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHub System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Requires a Mercury hub kit (sold separately)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesign Details:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Aggressive blade geometry for top-end speed, rapid acceleration, and firm handling; Performance Vent System (PVS) for customizable hole shot tuning\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury and Mariner 40–60 HP Command Thrust Outboards (4.25-inch gearcase)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 75–125 HP TwoStroke and FourStroke Outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eGreat match for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003emidsize boats, fishing boats, and performance runabouts\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efreshwater and saltwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe SpitFire X7 12.8x19 is for boaters who want it all—speed, grip, and finesse in one compact design. Its smaller diameter and aggressive four-blade setup bite hard, lifting your boat quickly onto plane with minimal bow rise. Y\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eou’ll feel the acceleration instantly, a clean and powerful launch that transitions seamlessly into a steady, confident cruise. The prop grips tight even in sharp turns, maintaining lift and control whether you’re solo or fully loaded with gear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhat makes it even more impressive is how it maintains balance and smoothness at high speeds. T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehe X7 stainless steel alloy resists flexing under heavy torque, meaning your performance stays consistent no matter how hard you push it. And with the built-in Performance Vent System, you can customize your hole shot by adjusting exhaust venting—tuning your acceleration exactly to your liking. It’s the difference between “almost perfect” and “just right.”\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy is this prop a strong choice vs. alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury OEM Precision:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Designed and tested by Mercury engineers for exact fit, durability, and balanced performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFast and Forgiving:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Four-blade geometry offers explosive acceleration with steady handling and superior grip in turns.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUnmatched Strength:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e X7 stainless steel \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis 30% stronger and four times more durable than standard stainless\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e props.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTu\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enable Performance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e PVS allows you to adjust acceleration and hole shot for your specific setup and conditions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVersatile Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Ideal for midsize boats and outboards, offering dependable performance across water types and activities.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does the SpitFire X7 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fits Mercury and Mariner 40–60 HP Command Thrust outboards with the 4.25-inch gearcase, as well as Mercury 75–125 HP TwoStroke and FourStroke outboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this propeller different from other Mercury options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe SpitFire X7 uses Mercury’s X7 stainless steel alloy and aggressive four-blade geometry, giving it exceptional acceleration, top-end speed, and high durability compared to other stainless props.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this pitch or size is right for my boat?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf your engine revs near the top of its recommended RPM range or you want more lift and better control at high speeds, the 19-pitch SpitFire X7 is a strong match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this prop be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAbsolutely. The stainless steel construction and polished finish resist corrosion, ensuring excellent performance in any environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: What hub system does it use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt requires a Mercury hub kit (sold separately) for a secure fit, quiet operation, and smooth performance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46939633221923,"sku":"48-8M0151363","price":661.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/SpitfireX7_Main_473c16fd-2f2a-4d0f-bc98-c5ec30d4bf4c.jpg?v=1760631419","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-spitfire-x7-19p-48-8m0151363","provider":"PartsVu","version":"1.0","type":"link"}