{"product_id":"ss-cycle-90-4006-rocker-arm-shaft-twin-cam-xl","title":"S\u0026S Cycle 90-4006 Rocker Arm Shaft — Twin Cam \u0026 XL Engines (Set of 4)","description":"\u003ch2\u003eS\u0026amp;S Cycle 90-4006 Rocker Arm Shaft — Twin Cam \u0026amp; XL Engines\u003c\/h2\u003e\u003cp\u003eRebuild your valve train with confidence using the \u003cstrong\u003eS\u0026amp;S Cycle 90-4006 Rocker Arm Shaft\u003c\/strong\u003e. Made in the USA and engineered for precise fit, this set of four rocker arm shafts is designed for Harley-Davidson Twin Cam and XL engines — as well as S\u0026amp;S V-series, SB-series, and T-series powerplants. Whether you’re doing a full engine rebuild or replacing worn components, the 90-4006 delivers the durability and accuracy your valve train demands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes four rocker arm shafts — ideal for complete engine rebuilds\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Twin Cam and XL engines\u003c\/li\u003e\n\u003cli\u003eCompatible with S\u0026amp;S V-series, SB-series, and T-series engines\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for exact fit and long-term reliability\u003c\/li\u003e\n\u003cli\u003eConstructed to handle high-performance valve train stresses\u003c\/li\u003e\n\u003cli\u003eMade in the USA by S\u0026amp;S Cycle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 90-4006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 90-4006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Harley-Davidson Twin Cam, XL (Sportster), S\u0026amp;S V-series, SB-series, T-series engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":48383471354097,"sku":"90-4006","price":16.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/15336.png?v=1783437061","url":"https:\/\/howlingmoto.com\/products\/ss-cycle-90-4006-rocker-arm-shaft-twin-cam-xl","provider":"Howling Moto","version":"1.0","type":"link"}