{"product_id":"sifton-wr-kr-cam-lobe-set-for-45-inch-flathead-engines-high-lift-full-race-with-roller-tappet-compatibility","title":"Sifton WR KR Cam Lobe Set for 45 Inch Flathead Engines High Lift Roller Tappet","description":"\u003cdiv\u003e\n\u003ch1\u003eSifton WR\/KR Cam Lobe Set for 45-Inch Flathead Engines with Roller Tappets\u003c\/h1\u003e\n\u003cp\u003eUpgrade your 45-inch side-valve Harley-Davidson engine with the Sifton WR\/KR Cam Lobe Set. This four-lobe kit uses KR profiles that fit 45-inch motors and also works in WR engines when used with roller-type tappet assemblies. Cam cores are not included. Designed for use with original WL-type cams, this set requires removing the old lobes, degreeing them into the correct position, and welding for optimal timing and performance.\u003c\/p\u003e\n\u003cp\u003eIntake lobe lift is.415 inch with 300 degrees duration, and exhaust lobe lift is.400 inch with 275 degrees duration. These high-lift, full-race cam lobes deliver a significant increase in airflow and horsepower over stock components. The kit is sold as four lobes and is intended exclusively for roller-type tappets (not compatible with flat tappets). Manufactured in Taiwan for quality and durability.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eDesigned for 45 inch flathead engines only, suitable for vintage Harley-Davidson G models (1936–1972) and W models (1937–1952).\u003c\/li\u003e\n\u003cli\u003eCam lobes are installed by removing the old lobes, degreeing into position, and welding.\u003c\/li\u003e\n\u003cli\u003eSold as a set of four lobes for a comprehensive upgrade.\u003c\/li\u003e\n\u003cli\u003eExclusively compatible with roller-type tappets; not suitable for flat tappet systems.\u003c\/li\u003e\n\u003cli\u003eFor optimal performance, pair with the 45 Tappet Base and Tappet Kit (SKU 49-0850) as an accessory.\u003c\/li\u003e\n\u003cli\u003eManufactured in Taiwan for quality and durability.\u003c\/li\u003e\n\u003c\/ul\u003eSifton WR\/KR camshaft lobe set includes four lobes. Features KR lobe profile that fits inchW + G inch 45 inch motor. Also works in WR but requires roller type tappet assembly. Camshaft cores are not included. For 45 side valve models.\n\u003cp\u003eUpgrade your 45 inch Flathead Harley Davidson engine with the Sifton WR\/KR Cam Lobe Set, designed specifically for use with original cams WL type. This set requires removal of the old cam lobes, which are then degreeed into the correct position before welding into place, ensuring optimal timing and performance. Crafted in Taiwan, these high-lift, full-race cam lobes are engineered for serious performance enthusiasts looking to maximize their engine's potential. The intake lobes feature.415 inch lift with 300 degrees duration, while the exhaust lobes provide.400 inch lift with 275 degrees duration, delivering a significant increase in airflow and horsepower over stock components. Please note that these cam lobes are sold as a set of four and are intended exclusively for use with roller-type tappets; they are not compatible with flat tappet designs. Proper installation and compatibility are crucial for achieving the performance gains these components promise, making them ideal for custom builds and racing applications. Whether you're restoring a vintage Harley or pushing your engine's limits, the Sifton WR\/KR Cam Lobe Set offers premium quality and durability for your flathead engine. For optimal performance, consider pairing this set with the compatible 45 Tappet Base and Tappet Kit, SKU 49-0850, included as an accessory item.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eDesigned for 45 inch Flathead engines only, suitable for vintage Harley Davidson W models from 1937 to 1946\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh-lift, full-race cam lobes for maximum performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIntake lobes:.415 inch lift, 300 degrees duration\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eExhaust lobes:.400 inch lift, 275 degrees duration\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMust remove old cam lobe and degree in to correct position before welding\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatible exclusively with roller-type tappets; not suitable for flat tappet systems\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eSold as a set of four for comprehensive cam upgrade\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eManufactured in Taiwan for quality and durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson G 1936\u003cbr\u003e\nHarley Davidson G 1937\u003cbr\u003e\nHarley Davidson G 1938\u003cbr\u003e\nHarley Davidson G 1939\u003cbr\u003e\nHarley Davidson G 1940\u003cbr\u003e\nHarley Davidson G 1941\u003cbr\u003e\nHarley Davidson G 1942\u003cbr\u003e\nHarley Davidson G 1943\u003cbr\u003e\nHarley Davidson G 1944\u003cbr\u003e\nHarley Davidson G 1945\u003cbr\u003e\nHarley Davidson G 1946\u003cbr\u003e\nHarley Davidson G 1947\u003cbr\u003e\nHarley Davidson G 1948\u003cbr\u003e\nHarley Davidson G 1949\u003cbr\u003e\nHarley Davidson G 1950\u003cbr\u003e\nHarley Davidson G 1951\u003cbr\u003e\nHarley Davidson G 1952\u003cbr\u003e\nHarley Davidson G 1953\u003cbr\u003e\nHarley Davidson G 1954\u003cbr\u003e\nHarley Davidson G 1955\u003cbr\u003e\nHarley Davidson G 1956\u003cbr\u003e\nHarley Davidson G 1957\u003cbr\u003e\nHarley Davidson G 1958\u003cbr\u003e\nHarley Davidson G 1959\u003cbr\u003e\nHarley Davidson G 1960\u003cbr\u003e\nHarley Davidson G 1961\u003cbr\u003e\nHarley Davidson G 1962\u003cbr\u003e\nHarley Davidson G 1963\u003cbr\u003e\nHarley Davidson G 1964\u003cbr\u003e\nHarley Davidson G 1965\u003cbr\u003e\nHarley Davidson G 1966\u003cbr\u003e\nHarley Davidson G 1967\u003cbr\u003e\nHarley Davidson G 1968\u003cbr\u003e\nHarley Davidson G 1969\u003cbr\u003e\nHarley Davidson G 1970\u003cbr\u003e\nHarley Davidson G 1971\u003cbr\u003e\nHarley Davidson G 1972\u003cbr\u003e\nHarley Davidson G 1973\u003cbr\u003e\nHarley Davidson W 1937\u003cbr\u003e\nHarley Davidson W 1938\u003cbr\u003e\nHarley Davidson W 1939\u003cbr\u003e\nHarley Davidson W 1940\u003cbr\u003e\nHarley Davidson W 1941\u003cbr\u003e\nHarley Davidson W 1942\u003cbr\u003e\nHarley Davidson W 1943\u003cbr\u003e\nHarley Davidson W 1944\u003cbr\u003e\nHarley Davidson W 1945\u003cbr\u003e\nHarley Davidson W 1946\u003cbr\u003e\nHarley Davidson W 1947\u003cbr\u003e\nHarley Davidson W 1948\u003cbr\u003e\nHarley Davidson W 1949\u003cbr\u003e\nHarley Davidson W 1950\u003cbr\u003e\nHarley Davidson W 1951\u003cbr\u003e\nHarley Davidson W 1952\u003c\/div\u003e","brand":"Sifton","offers":[{"title":"Default Title","offer_id":44648429322282,"sku":"10-1804","price":376.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/10-1804a.jpg?v=1785741831","url":"https:\/\/atticusgoods.com\/products\/sifton-wr-kr-cam-lobe-set-for-45-inch-flathead-engines-high-lift-full-race-with-roller-tappet-compatibility","provider":"Atticus Goods","version":"1.0","type":"link"}