{"product_id":"s-s-cycle-head-bolts-harley-davidson-1","title":"S\u0026S Cycle Head Bolts — Harley-Davidson","description":"\u003cp\u003eS\u0026amp;S Cycle Chrome Moly head studs engineered for high-performance Harley-Davidson engines, forged from 4140 Chrome Moly and heat-treated to 39-44 HRC for superior fatigue resistance. Purpose-built to replace stock studs in performance and forced-induction builds where stock hardware becomes a failure point.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4140 Chrome Moly material, oil quenched and tempered\u003c\/li\u003e\n  \u003cli\u003eRounded thread roots improve fatigue strength versus flat-root studs\u003c\/li\u003e\n  \u003cli\u003ePositive stop shoulder for consistent installed height\u003c\/li\u003e\n  \u003cli\u003e180,000 psi tensile strength\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 900-1176\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4140 Chrome Moly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 39-44 HRC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e 180,000 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Fabrication \/ Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Verify application with S\u0026amp;S Cycle or consult your engine builder for specific year and model compatibility.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the advantage of rounded thread roots?\u003c\/h3\u003e\n\u003cp\u003eRounded roots distribute stress more evenly and resist cracking under high combustion pressure and torque cycles compared with flat-root studs.\u003c\/p\u003e\n\u003ch3\u003eDo these require special installation?\u003c\/h3\u003e\n\u003cp\u003eThe positive stop shoulder means consistent clamping height with standard torque specs. Follow S\u0026amp;S Cycle installation instructions and use a quality torque wrench.\u003c\/p\u003e\n\u003ch3\u003eAre these better than stock Harley studs?\u003c\/h3\u003e\n\u003cp\u003eYes — 4140 Chrome Moly with 180,000 psi tensile strength is significantly stronger than OEM studs, critical for performance and boosted engines.\u003c\/p\u003e\n\u003ch3\u003eWill these work on a stock engine?\u003c\/h3\u003e\n\u003cp\u003eThey will work, but stock engines rarely need upgraded studs. Highly recommended for performance builds, strokers, and forced-induction applications.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040435953775,"sku":"T14-662067","price":249.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_959367f1-60d4-44d7-896c-69296587ec4a.png?v=1779566580","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-head-bolts-harley-davidson-1","provider":"Vtwinbikers","version":"1.0","type":"link"}