{"product_id":"turning-point-propellers-express-mach4-4-blade-right-hand-stainless-steel-propeller-13-x-21-pitch-ex1-ex2-1321-4","title":"Turning Point Propellers Express Mach4 4-Blade Right Hand Stainless Steel Propeller (13\" x 21\" Pitch) EX1\/EX2-1321-4","description":"\u003cp\u003e\u003cstrong\u003eExpress Mach4 - Right Hand - Stainless Steel Propeller - EX1\/EX2-1321-4 - 4-Blade - 13\" x 21 Pitch\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Prop that put the four in Perfourmance! Turning Points Four Blade revolutionized the propeller market when it was introduced. No one had ever produced a state-of-the-art Swept Cleaver design for 40-150hp applications. These props re-wrote the rules, proving that you can run a four blade that has unprecedented hole shot, handling, and rough water stability without the top-end speed loss you experience with other manufacturers propellers. These Turning Point props also produced up to 46% more reverse thrust than other comparable designs in recent tests.\u003cbr\u003e\u003cbr\u003eNow manufactured in our Industry leading TP17 stainless, the Express Mach4 series is perfect for any application that demands enhanced acceleration, cornering, and load carrying capabilities. This prop series is ideally suited for watersports, sterndrive boats, tri-toons, bay boats, and any vessel that can use stern lift. It is our best upgrade of older stainless designs from the 70s, 80s, 90s, and 00s, and will outrun most newer props, including five blade ski props.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProprietary Stainless Steel, TP17\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFormulated to meet the exacting requirements of the New Express Mach3 and Mach4 designs. 20% higher chromium content than the competition - more shine, better corrosion resistance. Almost 250% Stronger and 5X more durable than run-of-the-mill stainless steel. This new material allows Turning Point's Engineers and Designers the freedom to produce radical new designs that will help you wring the most performance out of your boat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLarge Free Flowing Exhaust Ports\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTurning Point's Propeller Housings have massive Exhaust flow pathways. Their Propellers have 40% more exhaust flow Area versus competitive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.\u003c\/p\u003e\u003cp\u003eTurning Point manufactures Express propellers to fit 9.9(bigfoot)-300+hp Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Mercury, Nissan, OMC, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha Outboards and Sterndrives. Choose one of our Lifetime Warranty MasterGuard Installation Kits to fit your engine, then choose the propeller that matches your boating requirements. There are 3 and 4 blade, left and right rotation prop models with a variety of diameter and pitch options available for almost all boat types. Turning Point's Props Run Faster, Pull Harder, and Handle Better.\u003c\/p\u003e\u003cp\u003eNote: A Hub Kit is required for installation of this propeller. See the Turning Point Selection Chart or the Prop Wizard for hub kit selection.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/productimageserver.com\/prop65\/6pt.png\" alt=\"Warning\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Turning Point Propellers Express Mach4 series offers exceptional performance for a wide range of boats, featuring a 4-blade stainless steel design that enhances acceleration, handling, and load-carrying capacity. Crafted from industry-leading TP17 stainless steel, this propeller combines superior strength—nearly 250% stronger and five times more durable than standard stainless steel—with impressive corrosion resistance due to its higher chromium content. The proprietary alloy allows for radical, innovative blade designs that maximize boat performance while maintaining durability. The swept cleaver design on this propeller delivers outstanding hole shot and rough water stability without sacrificing top-end speed, making it ideal for watersports, sterndrive boats, tri-toons, bay boats, and vessels requiring stern lift. Additionally, the prop features large, free-flowing exhaust ports that provide 40% more exhaust flow area, reducing backpressure and increasing horsepower, akin to high-performance headers for your boat.\u003cbr\u003eDesigned to fit a broad spectrum of outboards and sterndrives from brands like Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Mercury, Nissan, OMC, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha, this propeller is engineered for speed, power, and handling. It is compatible with engines ranging from 9.9 to over 300 horsepower, offering options for various boat types and performance needs. For proper installation, a hub kit is required, and Turning Point provides a selection chart and Prop Wizard to ensure the correct fit. The Express Mach4's design is a significant upgrade over older stainless steel props, outrunning many newer models, including five-blade ski props, with the added benefit of a lifetime warranty through the MasterGuard Installation Kit. Whether you're seeking improved acceleration, cornering, or rough water handling, the Turning Point Express Mach4 delivers top-tier performance with durability and reliability.\u003cbr\u003eNote: This product contains chemicals like lead, which may cause health risks; for more information, visit \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: Formulated with TP17 stainless steel for increased strength and corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlade Design: 4-blade swept cleaver for enhanced hole shot, handling, and stability in rough water\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eExhaust Ports: Large, free-flowing exhaust pathways with 40% more flow area for increased horsepower\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: Fits a wide range of outboards and sterndrives from major brands including Mercury, Yamaha, Honda, and more\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Ideal for watersports, bay boats, tri-toons, and vessels requiring stern lift\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDurability: Almost 250% stronger and 5X more durable than standard stainless steel props\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInstallation: Requires a hub kit; compatible with Turning Point’s selection chart and Prop Wizard for proper fit\u003c\/li\u003e\u003c\/ul\u003e","brand":"Turning Point Propellers","offers":[{"title":"Default Title","offer_id":44530801836074,"sku":"63344","price":348.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/63344XL.jpg?v=1783127589","url":"https:\/\/atticusgoods.com\/products\/turning-point-propellers-express-mach4-4-blade-right-hand-stainless-steel-propeller-13-x-21-pitch-ex1-ex2-1321-4","provider":"Atticus Goods","version":"1.0","type":"link"}