{"product_id":"roller-rocker-arm-set-for-1966-84-hd®-big-twins","title":"Roller Rocker Arm Set For 1966-'84 HD® Big Twins","description":"\u003cdiv id=\"product-accordion\" class=\"accordionModule panel-group\" data-mce-fragment=\"1\"\u003e\n\u003cdiv id=\"product-tab-Description\" class=\"tab-content collapse  active in\" role=\"tabpanel\" aria-labelledby=\"product-tab-heading-Description\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"tab-pane active\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1966-'84 big twins SH-Series engines. S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003erocker arms for shovelhead engines are machined from 8620 steel forgings and heat treated for maximum strength. The forgings are designed to eliminate stress points and provide the strongest, most durable rocker arm possible. These roller rocker arms also feature the exclusive .750\" long S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003erocker arm bushings, with 50% more load bearing surface than stock .500\" bushings. An oil passage from the pushrod cup of the rocker arm to the inside of the rocker arm body allows top-end oiling through the pushrods when used in conjunction with S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebillet tappet guides and S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eQuickee pushrods. Oiling can also be done through the stock 1966-'84 external oiling system. Nominal rocker ratio of 1.5:1. The roller tip reduces valve tip wear and side loading of the valve stem in high lift applications. S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eroller rocker arms are compatible with S\u0026amp;S\u003csup data-mce-fragment=\"1\"\u003e®\u003c\/sup\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003ebillet and stock rocker boxes. Some clearancing may be required when using stock rocker boxes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-widget-id=\"af4b19ec-09ee-4c1f-a2f2-f994471fa2b2\" class=\"productSpecifications\" data-mce-fragment=\"1\"\u003e\u003c\/div\u003e","brand":"Havoc Parts","offers":[{"title":"Default Title","offer_id":42118521454757,"sku":"","price":938.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0349\/1361\/6008\/products\/16_6284e444-bb52-407e-920f-379e0bee49f5.png?v=1669917978","url":"https:\/\/shop.havoc-motorcycles.com\/products\/roller-rocker-arm-set-for-1966-84-hd%c2%ae-big-twins","provider":"Havoc Motorcycles","version":"1.0","type":"link"}