{"product_id":"ace-redrive-v-twin-627-993cc-toothed-belt-psru-up-to-50hp","title":"Ace Redrive - V-Twin 627-993cc Toothed Belt PSRU (Up to 50HP)","description":"\u003cdiv style=\"font-family: sans-serif; color: #1a1a1a;\"\u003e\n\u003ch2 style=\"color: #b22222;\"\u003eAce Redrive – V-Twin 627–993cc Toothed Belt PSRU\u003c\/h2\u003e\n\u003cp style=\"font-size: 1.05em;\"\u003e\u003cstrong\u003eMaximum power transfer, zero slip — the precision toothed belt PSRU for high-output V-Twin engines, now available in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you need every horsepower to reach the propeller without slippage, the Ace Aviation Toothed Belt Redrive is your answer. Designed for builders running higher-output V-Twin engines up to 50HP, this unit uses a precision toothed (synchronous) belt for a positive, locked drive ratio — no belt creep, no power loss under load. With over \u003cstrong\u003e700 Ace redrives flying worldwide\u003c\/strong\u003e, this is a proven platform trusted by builders across the globe.\u003c\/p\u003e\n\u003cp\u003eAs the \u003cstrong\u003eexclusive US \u0026amp; Canada distributor\u003c\/strong\u003e, Ace Redrives USA ships from domestic stock — no more 6–12 week overseas waits or surprise tariff invoices.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔧 Engine Compatibility\u003c\/h3\u003e\n\u003cp\u003eFits V-Twin engines from \u003cstrong\u003e627cc to 993cc\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBriggs \u0026amp; Stratton (all popular models)\u003c\/li\u003e\n\u003cli\u003ePredator 670cc\u003c\/li\u003e\n\u003cli\u003eHonda V-Twin\u003c\/li\u003e\n\u003cli\u003eSubaru V-Twin\u003c\/li\u003e\n\u003cli\u003eKohler Command V-Twin\u003c\/li\u003e\n\u003cli\u003eKawasaki V-Twin\u003c\/li\u003e\n\u003cli\u003eLifan V-Twin\u003c\/li\u003e\n\u003cli\u003eYamaha V-Twin\u003c\/li\u003e\n\u003cli\u003eAnd many others with a standard parallel crankshaft (1\" to 1-7\/16\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e⚙️ Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eToothed (Synchronous) Poly Belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eStandard Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1.8:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRedrive Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.9 kg (8.6 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePremium SKF (industrial grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMax HP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUp to 50HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCrankshaft Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStandard parallel, 1\" to 1-7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eShips As\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFully assembled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e🆚 Toothed Belt vs. V-Groove Belt — Which Do I Need?\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #B22222; color: #fff;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eToothed Belt\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eV-Groove Belt\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDrive Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePositive \/ No-slip\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFriction-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBest For\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigher HP, precision ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBudget builds, lower HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eShock Absorption\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eModerate\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigher (belt slip acts as buffer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f5f5f5;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePrice\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHigher\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e✅ Why Builders Choose Ace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEccentric Shaft Tensioner\u003c\/strong\u003e — Ace Aviation's signature design lets you dial in belt tension perfectly in under 5 minutes with a single Allen key.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF Bearings\u003c\/strong\u003e — Industrial-grade bearings built for hundreds of flight hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFraction of the Cost\u003c\/strong\u003e — Significantly less expensive than a Rotax gearbox, with comparable build quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS-Stocked\u003c\/strong\u003e — Ships from the USA. No import delays, no surprise tariffs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Assembled\u003c\/strong\u003e — Arrives ready to bolt on. No machining required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Ace Aviation Toothed Belt Redrive unit (fully assembled)\u003c\/li\u003e\n\u003cli\u003eAll nuts and bolts for joining redrive components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Note:\u003c\/strong\u003e Keyless bush for small pulley-to-crankshaft connection is \u003cem\u003enot included\u003c\/em\u003e (customer-supplied). Mounting bolts from backplate to engine crankcase are \u003cem\u003enot included\u003c\/em\u003e (customer-supplied).\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em; color: #555;\"\u003eQuestions about fitment? Contact Ace Redrives USA — we're here to help you get the right unit for your build.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ace Aviation","offers":[{"title":"Toothed Belt \/ Up to 50hp","offer_id":48240981409962,"sku":"50TBRDBS","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/3800\/2602\/files\/1-Toothpulleyredrive.Briggs_S.Upto35Hp.jpg?v=1777094530","url":"https:\/\/aceredrives.com\/products\/ace-redrive-v-twin-627-993cc-toothed-belt-psru-up-to-50hp","provider":"Ace Redrives USA","version":"1.0","type":"link"}