{"product_id":"v-twin-49-0011-replica-knucklehead-rocker-box-set","title":"V-Twin 49-0011 Replica Knucklehead Rocker Box Set","description":"Replica early style rocker box set with a natural finish has the shape of 1936-1940 Knuckleheads  but will fit 1936-1947 models.\n\u003cp\u003eThe V-Twin 49-0011 Replica Knucklehead Rocker Box Set is machined from an accurate casting and features a natural cast finish with light polished and highlighted surfaces. This set replicates 1941–1947 rocker boxes and accepts the later lower valve spring cups and covers.\u003c\/p\u003e\u003cp\u003eDesigned for 1938–1940 Harley-Davidson EL models and 1942–1947 Harley-Davidson FL models, this rocker box set is also accurate for 1937–1940 EL applications with the 1940 EO date code. The front exhaust area and rear exhaust pushrod entry area may require recontouring for an exact fit. The rear exhaust rocker kit and arm seal kit are ordered separately.\u003c\/p\u003e\u003cp\u003eInstallation requires the V-Twin 14-0451 Knucklehead Rocker Box Seal Kit for installation of the 42-6174 Lower Valve Spring Cup Set Parkerized. Use with the 14-0455 V-Twin Tappet Guide O-Ring as required by the manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstruction: Machined from an accurate casting\u003c\/li\u003e\n\u003cli\u003eFinish: Natural cast finish with light polished and highlighted surfaces\u003c\/li\u003e\n\u003cli\u003eDesign: Replica of 1941–1947 rocker boxes\u003c\/li\u003e\n\u003cli\u003eCompatibility: Accepts later lower valve spring cups and covers\u003c\/li\u003e\n\u003cli\u003eFitment: Fits 1938–1940 Harley-Davidson EL and 1942–1947 Harley-Davidson FL models\u003c\/li\u003e\n\u003cli\u003eFitment Note: Front exhaust and rear exhaust pushrod entry areas may require recontouring for an exact fit\u003c\/li\u003e\n\u003cli\u003eInstallation Requirement: Requires V-Twin 14-0451 Knucklehead Rocker Box Seal Kit for installation of the 42-6174 Lower Valve Spring Cup Set Parkerized\u003c\/li\u003e\n\u003cli\u003eInstallation Requirement: Required to use with the 14-0455 V-Twin Tappet Guide O-Ring\u003c\/li\u003e\n\u003cli\u003eAccessory Items: 42-6174 - Lower Valve Spring Cup Set Parkerized, 14-0451 - Knucklehead Rocker Box Seal Kit for 2 Heads, 42-6175 - Lower Valve Spring Cup Set Parkerized, 11-1143 - 1936 Knucklehead Rocker Shaft and Cap Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson EL 1938\u003cbr\u003e\nHarley Davidson EL 1939\u003cbr\u003e\nHarley Davidson EL 1940\u003cbr\u003e\nHarley Davidson FL 1942\u003cbr\u003e\nHarley Davidson FL 1943\u003cbr\u003e\nHarley Davidson FL 1944\u003cbr\u003e\nHarley Davidson FL 1945\u003cbr\u003e\nHarley Davidson FL 1946\u003cbr\u003e\nHarley Davidson FL 1947\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eUOM: SET\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCountry Of Origin: TAIWAN\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\nAccessory Items:\n42-6174 - Lower Valve Spring Cup Set Parkerized\r\n14-0451 - Knucklehead Rocker Box Seal Kit for 2 Heads\r\n42-6175 - Lower Valve Spring Cup Set Parkerized\r\n11-1143 - 1936 Knucklehead Rocker Shaft and Cap Kit\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTech Notes: Requires VT #14-0451 Knucklehead Rocker Box Seal Kit for installation of VT #42-6174 Lower Valve Spring Cup Set Parkerized. Required to use with #14-0455 V-Twin Tappet Guide O-Ring.\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":68403945767097,"sku":"49-0011","price":470.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/0179\/2441\/files\/49-0011a.jpg?v=1794673103","url":"https:\/\/www.thespeedshopusa.com\/fr\/products\/v-twin-49-0011-replica-knucklehead-rocker-box-set","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}