{"product_id":"standard-rocker-arm-shaft","title":"Standard Rocker Arm Shaft","description":"\u003cp\u003eSifton Knucklehead rocker arm shaft set.\n\u003cbr\u003eFront intake measures 4-1\/8 inch and has an actual ground surface of 4.115. Rear intake measures 3-5\/8 inch and has an actual ground surface of 3.6. Rear exhaust measures 4-5\/8 inch and has an actual ground surface of 4.6345. Front exhaust measures 5-1\/4 inch and has an actual ground surface of 5.119. \n\u003cbr\u003e Tech Notes: Shovelhead rocker arm shims may be used on the left side of the Knucklehead rocker arms to adjust end play. Available as 12-0704 (.005)  12-0710 (.007)  12-0715 (.015). \n\u003cbr\u003e Instructions: http:\/\/www.vtwinmfg.com\/Instructions\/11\/11-0540.pdf\u003c\/p\u003e","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":67625282896057,"sku":"11-0540","price":182.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/0179\/2441\/files\/11-0540a.jpg?v=1790894144","url":"https:\/\/www.thespeedshopusa.com\/products\/standard-rocker-arm-shaft","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}