{"product_id":"keith-black-74-inch-flh-fx-piston-set-005-oversize-for-harley-davidson-fl-models","title":"Keith Black 74 Inch FLH-FX Piston Set KB263.005 Oversize","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 74 Inch FLH-FX Piston Set KB263.005 Oversize\u003c\/h1\u003e\n\u003cp\u003eKeith Black KB263.005 oversize piston set for Harley Davidson FL models from 1941 to 1950. The pistons are Keith Black 390 hypereutectic,.005 oversize, designed for a 3.438 inch bore with a 9.0:1 compression ratio.\u003c\/p\u003e\n\u003cp\u003eCrafted in Mexico, this piston set restores performance and reliability to vintage Harley models. It includes all necessary components for installation, plus a Ring-O-Matic Ring Compressor Tool Kit (16-0622) and a 16-0029 Connecting Rod Clamping Tool to aid precise assembly and proper ring and rod fitment.\u003c\/p\u003e\n\u003cp\u003eTo maximize longevity, break-in guidance is included: run the engine at moderate speeds for at least 500 miles and follow the detailed online installation instructions for best results.\u003c\/p\u003e\n\u003cp\u003eCompatible specifically with Harley Davidson FL models produced from 1941 through 1950, making it an ideal choice for restoration or authentic-performance upgrades on your vintage motorcycle.\u003c\/p\u003eKeith Black 390 hypereutectic piston set is.005 oversize and is for 3.438 inch bore. Pistons have a compression of 9.0:1.\n\u003cp\u003eUpgrade your vintage Harley Davidson with the Keith Black KB263.005 74 inch FLH-FX piston set. Crafted in Mexico, these pistons are designed to restore performance and reliability to Harley models from 1941 to 1950. The set includes all necessary components for a comprehensive installation, ensuring a seamless rebuild of your classic motorcycle's engine.\u003cbr\u003eEach piston is engineered with precision to deliver optimal fit and function. The.005 oversize specification allows for proper bore clearance and improved engine performance. To ensure proper break-in, it is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears. Following the detailed installation instructions available online helps achieve the best results.\u003cbr\u003eThis piston set is compatible with Harley Davidson FL models from 1941 through 1950, making it an ideal choice for restoring or enhancing vintage motorcycles. The set includes accessory items such as a Ring-O-Matic ring compressor tool kit and a connecting rod clamping tool, which facilitate installation and ensure precise assembly. The included tools help prevent damage during installation and promote correct piston ring and connecting rod fitment, leading to a longer-lasting engine.\u003cbr\u003eDesigned for durability and performance, the Keith Black pistons are a reliable solution for enthusiasts and restorers seeking quality components to maintain the authentic look and feel of their vintage Harley Davidson. Proper installation and break-in are critical for maximizing the lifespan and performance of these pistons, ensuring your motorcycle remains a reliable ride for years to come.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eEngine break-in instructions included, recommending moderate speeds for at least 500 miles\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned specifically for Harley Davidson FL models from 1941 to 1950\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eConstructed in Mexico with high-quality materials for durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversize.005 piston set for precise bore clearance and performance enhancement\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes accessory items: 16-0622 Ring-O-Matic Ring Compressor Tool Kit, 16-0029 Connecting Rod Clamping Tool\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1941\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\u003cbr\u003e\nHarley Davidson FL 1948\u003cbr\u003e\nHarley Davidson FL 1949\u003cbr\u003e\nHarley Davidson FL 1950\u003cbr\u003e\nHarley Davidson FL 1951\u003cbr\u003e\nHarley Davidson FL 1952\u003cbr\u003e\nHarley Davidson FL 1953\u003cbr\u003e\nHarley Davidson FL 1954\u003cbr\u003e\nHarley Davidson FL 1955\u003cbr\u003e\nHarley Davidson FL 1956\u003cbr\u003e\nHarley Davidson FL 1957\u003cbr\u003e\nHarley Davidson FL 1958\u003cbr\u003e\nHarley Davidson FL 1959\u003cbr\u003e\nHarley Davidson FL 1960\u003cbr\u003e\nHarley Davidson FL 1961\u003cbr\u003e\nHarley Davidson FL 1962\u003cbr\u003e\nHarley Davidson FL 1963\u003cbr\u003e\nHarley Davidson FL 1964\u003cbr\u003e\nHarley Davidson FL 1965\u003cbr\u003e\nHarley Davidson FL 1966\u003cbr\u003e\nHarley Davidson FL 1967\u003cbr\u003e\nHarley Davidson FL 1968\u003cbr\u003e\nHarley Davidson FL 1969\u003cbr\u003e\nHarley Davidson FL 1970\u003cbr\u003e\nHarley Davidson FL 1971\u003cbr\u003e\nHarley Davidson FL 1972\u003cbr\u003e\nHarley Davidson FL 1973\u003cbr\u003e\nHarley Davidson FL 1974\u003cbr\u003e\nHarley Davidson FL 1975\u003cbr\u003e\nHarley Davidson FL 1976\u003cbr\u003e\nHarley Davidson FL 1977\u003cbr\u003e\nHarley Davidson FX 1971\u003cbr\u003e\nHarley Davidson FX 1972\u003cbr\u003e\nHarley Davidson FX 1973\u003cbr\u003e\nHarley Davidson FX 1974\u003cbr\u003e\nHarley Davidson FX 1975\u003cbr\u003e\nHarley Davidson FX 1976\u003cbr\u003e\nHarley Davidson FX 1977\u003c\/div\u003e","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44653182255146,"sku":"11-2201","price":203.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2201.jpg?v=1785889209","url":"https:\/\/atticusgoods.com\/products\/keith-black-74-inch-flh-fx-piston-set-005-oversize-for-harley-davidson-fl-models","provider":"Atticus Goods","version":"1.0","type":"link"}