{"product_id":"s-s-cycle-1984-bt-1-625-to-1-ration-rocker-arm-assembly-1","title":"S\u0026S Cycle 1984+ BT 1.625 To 1 Ration Rocker Arm Assembly","description":"\u003cul\u003e\n  \u003cli\u003e1984+ Big Twin 1.625 To 1 Ration Rocker Arm Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe S\u0026amp;S Cycle 900-4119RA rocker arm assembly is designed for 1984 and later Harley-Davidson Big Twin applications. Built to support reliable valvetrain operation, this assembly features a 1.625-to-1 rocker arm ratio to help optimize valve lift and overall engine performance when matched with compatible components.\u003c\/p\u003e\n\u003cp\u003eManufactured by S\u0026amp;S Cycle, a trusted name in powersports performance components, this rocker arm assembly is suited for engine builders, performance enthusiasts, and professional technicians seeking dependable replacement or upgrade hardware. Its application-specific design helps provide proper fitment for compatible 1984+ Big Twin valvetrains.\u003c\/p\u003e\n\u003cp\u003eVerify engine application, cylinder head compatibility, valve-train geometry, and supporting components before installation. Proper setup is essential for achieving correct rocker arm clearance and reliable operation. The S\u0026amp;S Cycle part number 900-4119RA should be used when confirming compatibility with your motorcycle or engine build.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Designed for 1984 and later Harley-Davidson Big Twin engines\u003c\/li\u003e\n\u003cli\u003eRocker Arm Ratio: 1.625-to-1 ratio supports optimized valve-train geometry\u003c\/li\u003e\n\u003cli\u003eComponent Type: Rocker arm assembly for compatible Big Twin applications\u003c\/li\u003e\n\u003cli\u003eBrand: S\u0026amp;S Cycle performance-engineered powersports component\u003c\/li\u003e\n\u003cli\u003ePart Number: 900-4119RA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":67603439616316,"sku":"ssc900-4119RA","price":110.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/9453393fbe60616cf63b02f839202a3a_dc9ee75f-b99d-428d-b24c-70fc178cbb39.png?v=1790749578","url":"https:\/\/necycleshop.com\/products\/s-s-cycle-1984-bt-1-625-to-1-ration-rocker-arm-assembly-1","provider":"NE Cycle Shop","version":"1.0","type":"link"}