{"product_id":"s-s-cycle-flywheels-harley-davidson-2","title":"S\u0026S Cycle Flywheels — Harley-Davidson Street Glide, Softail Fat Boy 114, Road King Special (2017-2026)","description":"\u003cp\u003eS\u0026amp;S Cycle flywheels for Harley-Davidson, engineered with heat-treated 4140 material and balanced to support high-performance builds. Designed to handle higher RPM and power outputs while maintaining the precision machining that makes them the foundation of any competition engine.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated 4140 steel — harder and more than twice as strong as stock\u003c\/li\u003e\n  \u003cli\u003eS\u0026amp;S High Strength Connecting Rods designed with Finite Element Analysis\u003c\/li\u003e\n  \u003cli\u003eFull-width wristpin connecting rods (requires S\u0026amp;S Performance Pistons)\u003c\/li\u003e\n  \u003cli\u003eCapable of higher RPM and more available power\u003c\/li\u003e\n  \u003cli\u003eBalanced for S\u0026amp;S Performance piston weight (1213g)\u003c\/li\u003e\n  \u003cli\u003eBalance gear installed\u003c\/li\u003e\n  \u003cli\u003e4-3\/8\" stroke (107 or 124ci)\u003c\/li\u003e\n  \u003cli\u003eConsistent balance and precision machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 320-0604\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Drivetrain \/ Flywheels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 40 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-treated 4140 steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Designed for Milwaukee-Eight platform engine builds.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo these flywheels require S\u0026amp;S Performance Pistons?\u003c\/h3\u003e\n\u003cp\u003eYes — the full-width wristpin design requires S\u0026amp;S Performance Pistons for proper fit and function.\u003c\/p\u003e\n\u003ch3\u003eWhat stroke does this give me?\u003c\/h3\u003e\n\u003cp\u003e4-3\/8\" stroke, supporting 107 or 124 cubic inch displacement builds.\u003c\/p\u003e\n\u003ch3\u003eAre these balanced?\u003c\/h3\u003e\n\u003cp\u003eYes — balanced to S\u0026amp;S Performance piston weight (1213g) and include the balance gear installed.\u003c\/p\u003e\n\u003ch3\u003eCan I use these with gear drive cams?\u003c\/h3\u003e\n\u003cp\u003eYes — these flywheels are compatible with gear drive cam systems.\u003c\/p\u003e\n\u003ch3\u003eAre these stronger than stock flywheels?\u003c\/h3\u003e\n\u003cp\u003eYes — heat-treated 4140 material is more than twice as strong as stock, and the design eliminates the need to weld the crankpin.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040429760623,"sku":"T14-662049","price":1995.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/5084efda72f0af1c0d9614c02cda7376L.jpg?v=1777658958","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-flywheels-harley-davidson-2","provider":"Vtwinbikers","version":"1.0","type":"link"}