{"product_id":"mcs917703","title":"S\u0026S Top End Guardian Kit – 2018–2025 Softail; 2017–2025…","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\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\n\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e18-26 Softail\u003c\/li\u003e\n\u003cli\u003e17-26 FLT\/Touring, 17-25 Trike\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Motor parts \u0026gt; Rocker arms and shafts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e KIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 917703\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePart Numbers\u003c\/h2\u003e\u003cp\u003eMCS Part Number: 917703\u003cbr\u003eManufacturer Part Number: 900-1092\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44310006333760,"sku":"MCS917703","price":820.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/917703k_dd24527d-4067-46f1-b3a1-4c4e3f32b4a6.jpg?v=1776026967","url":"https:\/\/hogparts.co.uk\/products\/mcs917703","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}