{"product_id":"roller-rocker-arms-aluminum-predator-212cc-hemi","title":"Roller Rocker Arms, Aluminum Predator 212cc Hemi","description":"\u003cdiv data-mce-fragment=\"1\"\u003eNR Racing Aluminum Full Roller Rockers for the Hemi Head | 1.2 or 1.3 Ratio\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003eThese rockers are crafted using aircraft-grade billet aluminum and feature replaceable steel roller tips. New steel shafts and roller bearings included.\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDyno-tested to 10,000rpm and proven to increase horsepower\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDue to canted valve arrangement, Hemis may have valve-to-piston clearance issue with high-lift cam, especially with the 1.3 ratio.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThese rocker arms require shorter pushrods (typically 5.260 or 5.340, depending on cam and head milling).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003ci data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e*Note:\u003cspan data-mce-fragment=\"1\"\u003eÂ \u003c\/span\u003e\u003c\/b\u003eThese are designed to work with standard length or +.070\" valves. They are not recommended for the +.230\" valves. May require valve cover spacer or minor grinding on valve cover grinder for clearance.\u003c\/i\u003e\u003c\/div\u003e","brand":"NR Racing","offers":[{"title":"1.2 Ratio","offer_id":43511717036187,"sku":"NRR-3071","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0426\/4955\/1003\/files\/roller-rocker-arms-aluminum-predator-212cc-hemi-946.webp?v=1708876786","url":"https:\/\/www.badassminis.com\/products\/roller-rocker-arms-aluminum-predator-212cc-hemi","provider":"Bad Ass Minis","version":"1.0","type":"link"}