{"product_id":"s-s-top-end-guardian-kit-mcs-917703","title":"S\u0026S, Top End Guardian kit","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 18-26 Softail; 17-26 FLT\/Touring, 17-25 Trike\u003c\/p\u003e\u003cp\u003eThis kit is The One for a direct OEM parts upgrade, fits without modifications. Designed to pinpoint \u0026amp; eliminate weak points in the OEM M8 rocker design. Especially advised when changing to a hot cam (+.550\" lift) and more performance in general. This kit combines several S\u0026amp;S sets to provide you with one complete top-end set up that includes everything for the engine to remain dependable with high horsepower and torque numbers. This Top End Gardian kit includes S\u0026amp;S 917702 +66% stronger rocker arm shafts, that replace OEM 17300059B. S\u0026amp;S 587241 rocker arm stud \u0026amp; nut kit, that replaces the OEM 10200503 bolts to prevent rockers coming loose and excessive wear on the tower studs. S\u0026amp;S 576972 cold rolled 8640 heat treated head bolt set, with 200.000 psi tensile strength, replaces OEM 10200303 head bolts and S\u0026amp;S 597871 roller rocker arms which prevent excessive valve thrust and stress, as happens with higher lift cams running at high RPM.\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":59226524549494,"sku":"MCS-917703","price":1143.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/917703k.jpg?v=1793623708","url":"https:\/\/www.blue-bull.nl\/products\/s-s-top-end-guardian-kit-mcs-917703","provider":"Blue Bull","version":"1.0","type":"link"}