{"product_id":"s-s-cycle-2007-big-twin-flywheel-assembly-with-4-3-8-inch-stroke-and-8-1-2-inch-diameter-part-number-320-0351","title":"S\u0026S Cycle 2007+ Big Twin Flywheel Assembly with 4-3\/8 Inch Stroke and 8-1\/2 Inch Diameter - Part Number 320-0351","description":"This 4-3\/8\" stroke 8-1\/2\" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using high performance pistons that allow the use of connecting rods with full width wristpin ends. Sprocket shaft does not have the stock style bearing race pressed on. This flywheel assembly is for crankcases with a Timken® sprocket shaft bearing. Flywheel assembly is three piece design. Assembly is trued to less than .0005\" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams.\n\u003cul\u003e\n  \u003cli\u003eFlywheels are CNC machined from heat-treated, closed die, steel forgings, which are 114 percent stronger than late style stock steel flywheels\u003c\/li\u003e\n  \u003cli\u003eFully assembled with premium quaility S\u0026amp;S® heavy duty 7.667\" connecting rods, with full width wrist pin ends, and dynamically balanced\u003c\/li\u003e\n  \u003cli\u003eThe only joints in the assembly are where the 1.671\" diameter connecting rod crankpin is pressed into the flywheels.\u003c\/li\u003e\n  \u003cli\u003ePinion and sprocket shafts are forged as part of the flywheel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Harley Davidson Big Twin engine with the S\u0026amp;S Cycle 320-0351 flywheel assembly, designed for 2007 and later models. This high-performance component features a 4-3\/8 inch stroke and an 8-1\/2 inch diameter, offering increased power potential and durability. Crafted from heat-treated, CNC-machined steel forgings, these flywheels are 114% stronger than stock steel versions, ensuring long-lasting performance under demanding conditions. The assembly is fully balanced and trued to less than .0005 inches runout on the pinion and sprocket shaft bearing surfaces, enabling higher RPM capabilities and full compatibility with gear drive cams. It is ideal for use with high-performance pistons and connecting rods with full width wristpin ends, providing a robust upgrade for your engine's internals.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eConstructed from heat-treated, CNC-machined steel forgings for superior strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully assembled with premium S\u0026amp;S heavy-duty 7.667-inch connecting rods featuring full width wrist pin ends and dynamic balancing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePrecision trued to less than .0005 inches runout for high RPM operation and compatibility with gear drive cams\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for crankcases with a Timken sprocket shaft bearing, excluding stock style bearing race\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes forged pinion and sprocket shafts as integral parts of the assembly\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for 2008-2009 Harley Davidson FLHR, FLHRC, FLHT, FLHTC, FLHX, and FLTR models\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":47974879428866,"sku":"619427","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/3401\/7026\/files\/245510f162ead9c277a08b82eff871a0.png?v=1781111769","url":"https:\/\/teamkustom.shop\/products\/s-s-cycle-2007-big-twin-flywheel-assembly-with-4-3-8-inch-stroke-and-8-1-2-inch-diameter-part-number-320-0351","provider":"Teamkustom","version":"1.0","type":"link"}