{"product_id":"knucklehead-rocker-box-set","title":"Knucklehead Rocker Box Set","description":"\u003cp\u003eKnucklehead rocker box set features a natutal finish. The front rocker box has the bleeder hole drilled and tapped for cap fitting.\n\u003cbr\u003eAccepts the early valve cover cup set and features machined snap ring grooves for the appropriate seal kit  available separately. Castings features the 1938-1940 typer markings. The markings may be removed or modified to suit restorer's specification for authenticity.  Set is cast with new V-twin MFG exclusive tooling. Rocker boxers are machined to accept original retaining rings. V-Twin #49-1793″ Knucklehead rocker box rings  are available separately. *NOTE: Order brass air bleeder valve separately.     *NOTE: Knucklehead rocker box require seal kit for rear exhaust rocker lower tin installation only. \n\u003cbr\u003e Tech Notes: Suggested to use with #49-1866 Knucklehead Rocker Box Packing Seals. Suggested to use with #49-1793 Knucklehead Rocker Box Retaining Ring. Required to use with #14-0455 V-Twin Tappet Guide O-Ring. Suggested to use with #49-1791 Knucklhead Rocker Box Cap with Fitting.\u003c\/p\u003e","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":67611538194617,"sku":"49-1307","price":1427.99,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.thespeedshopusa.com\/products\/knucklehead-rocker-box-set","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}