Ace Redrive – 4-Stroke Single Engine V-Groove Belt PSRU (200–460cc) The perfect PSRU for small 4-stroke single-cylinder engines — lightweight, reliable, and built to Ace Aviation's exacting standards. Not every build needs a big V-Twin. For ultralight aircraft, trikes, powered parachutes, and light experimental builds running smaller 4-stroke single-cylinder engines, the Ace Aviation Single Engine Redrive delivers everything you need: a precision belt drive, premium SKF bearings, and Ace's signature eccentric shaft tensioner — all in a compact, lightweight package that won't eat into your useful load. With over 700 Ace redrives flying worldwide and now available through the exclusive US & Canada distributor, you get factory-quality engineering with domestic shipping and real US-based support. 🔧 Engine Compatibility Designed for 4-stroke single-cylinder engines from 200cc to 460cc, including popular engines such as: Honda GX200 / GX270 / GX390 Briggs & Stratton single-cylinder 4-stroke Lifan single-cylinder 4-stroke Predator 212cc / 301cc / 420cc Kohler single-cylinder 4-stroke And many compatible clones and derivatives Not sure if your engine is compatible? Contact us before ordering — we'll confirm fitment. ⚙️ Technical Specifications Drive Type V-Groove Poly Belt Engine Displacement 200cc – 460cc UP TO 32hp Bearings Premium SKF (industrial grade) Belt Tensioning Eccentric shaft adjuster (5-min setup) Ships As Fully assembled 🏆 Perfect For These Applications Ultralight trikes & weight-shift aircraft — Where every gram counts Powered parachutes (PPCs) — Compact, reliable thrust for foot-launched aircraft Single-seat ultralight fixed-wing — Ideal for Part 103 builds Experimental light sport (E-LSA) — Budget-friendly powerplant solution Airboat & hovercraft applications — Versatile beyond aviation ✅ Why Builders Choose Ace Eccentric Shaft Tensioner — Set belt tension in under 5 minutes with a single Allen key. No special tools, no guesswork. SKF Bearings — Industrial-grade, built for hundreds of flight hours. US-Stocked — Ships from the USA. No import delays, no surprise tariff invoices. Fully Assembled — Arrives ready to install. No machining required. Dedicated US Support — Ace Redrives USA provides real, responsive technical support for your installation. 📦 What's Included Complete Ace Aviation V-Groove Belt Redrive unit (fully assembled) All nuts and bolts for joining redrive components ⚠️ Note: Keyless bush for small pulley-to-crankshaft connection is not included (customer-supplied). Mounting bolts from backplate to engine crankcase are not included (customer-supplied). Questions about fitment? Contact Ace Redrives USA — we're here to help you get the right unit for your build.
