{"product_id":"keith-black-74-inch-flh-fx-piston-set-070-oversize-for-harley-davidson-fl-1941-1950","title":"Keith Black 74 Inch Piston Set 0.070 Oversize For Harley FLH FX 1941 1950","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 74 Inch FLH-FX Piston Set,.070 Oversize for Harley 1941–1950\u003c\/h1\u003e\n\u003cp\u003eKeith Black 390 hypereutectic piston set in.070 oversize for a 3.438 inch bore delivers 9.0:1 compression, restoring displacement and power for Harley-Davidson FLH-FX models from 1941 to 1950.\u003c\/p\u003e\n\u003cp\u003eCrafted in Mexico, these pistons are engineered with precision to ensure a proper fit and reliable engine function. The set includes all necessary components for a comprehensive rebuild, supporting a seamless installation.\u003c\/p\u003e\n\u003cp\u003eBreak-in guidance: run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to allow the pistons and rings to seat properly. For installation details, refer to the official guide available online.\u003c\/p\u003e\n\u003cp\u003eCompatibility: Harley Davidson FL models 1941 through 1950.\u003c\/p\u003e\n\u003cp\u003eDesign focus: durability and longevity to keep your engine performing reliably after installation.\u003c\/p\u003e\n\u003cp\u003eRecommended accessories to support proper sealing and installation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e80-inch Shovelhead Piston Ring Set in.010\u003c\/li\u003e\n\u003cli\u003eRing-O-Matic Ring Compressor Tool Kit\u003c\/li\u003e\n\u003cli\u003eConnecting Rod Clamping Tool\u003c\/li\u003e\n\u003cli\u003eOther essential installation tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSpecs and identifiers: Part number KB263.070; UOM: SET; Country of Origin: Mexico.\u003c\/p\u003eKeith Black 390 hypereutectic piston set is.070 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 74 Inch FLH-FX Piston Set in.070 oversize, designed to restore performance and reliability for models from 1941 to 1950. Crafted in Mexico, these pistons are engineered with precision to ensure a proper fit and optimal engine function. The set includes all necessary components for a comprehensive rebuild, providing a seamless installation process. Proper break-in is essential; run your engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to ensure the pistons and rings seat correctly. For detailed installation instructions, refer to the official guide available online.\u003cbr\u003eThe pistons are compatible with a range of Harley Davidson FL models from 1941 through 1950, making them an ideal choice for restorers and enthusiasts aiming to maintain authentic performance. The design features are optimized for durability and longevity, ensuring your engine performs reliably after installation. To complement the pistons, suggested items include the 80-inch Shovelhead Piston Ring Set in.010, which helps achieve a proper seal and compression.\u003cbr\u003eAccessory items such as the Ring-O-Matic Ring Compressor Tool Kit, Connecting Rod Clamping Tool, and other essential tools are recommended to facilitate a smooth installation process. These accessories help prevent damage during assembly and ensure precise fitting of pistons and rings. Trust Keith Black’s quality and craftsmanship to keep your vintage Harley running smoothly for years to come.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eUOM: SET\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCountry of Origin: MEXICO\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRecommended Break-in Procedure: Run engine at moderate speeds for at least 500 miles, avoiding excessive low gear operation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatible with Harley Davidson FL models from 1941 to 1950\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes detailed installation instructions available online\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned for.070 oversize applications to restore engine displacement and performance\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":44653159448618,"sku":"11-2208","price":203.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2208.jpg?v=1785888334","url":"https:\/\/atticusgoods.com\/products\/keith-black-74-inch-flh-fx-piston-set-070-oversize-for-harley-davidson-fl-1941-1950","provider":"Atticus Goods","version":"1.0","type":"link"}