{"product_id":"keith-black-74-inch-flh-fx-piston-set-020-oversize-for-harley-davidson-fl-models","title":"Keith Black KB263.020 Piston Set.020 Oversize Harley FL","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black KB263.020 Piston Set.020 Oversize for Harley FL\u003c\/h1\u003e\n\u003cp\u003eKeith Black 390 hypereutectic piston set,.020 oversize for a 3.438 inch bore, delivers 9.0:1 compression. Designed specifically for Harley Davidson FL series motorcycles from 1941 to 1950, it offers reliable performance for vintage engine rebuilds and restorations.\u003c\/p\u003e\n\u003cp\u003eCrafted in Mexico, this complete piston set is optimized for high‑performance rebuilds. Each piston is manufactured to precise standards to ensure proper fit and function within your vintage Harley engine.\u003c\/p\u003e\n\u003cp\u003eProper installation and break‑in procedures are essential to maximize piston lifespan and engine performance. Run the engine at moderate speeds for at least 500 miles during break‑in, and refer to the detailed installation instructions available online to facilitate correct assembly and optimal performance.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUOM: SET\u003c\/li\u003e \u003cli\u003eCountry of Origin: MEXICO\u003c\/li\u003e \u003cli\u003eBore: 3.438 in\u003c\/li\u003e \u003cli\u003eOversize:.020\u003c\/li\u003e \u003cli\u003eCompression: 9.0:1\u003c\/li\u003e \u003cli\u003eFitment: Harley Davidson FL 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977; Harley Davidson FX 1971, 1972, 1973, 1974, 1975, 1976, 1977\u003c\/li\u003e\n\u003c\/ul\u003eKeith Black 390 hypereutectic piston set is.020 oversize and is for 3.438 inch bore. Pistons have a compression of 9.0:1.\n\u003cp\u003eThe Keith Black KB263.020 piston set is designed specifically for Harley Davidson FL series motorcycles from 1941 to 1950, offering reliable performance and durability. Crafted in Mexico, this set includes pistons that are optimized for high-performance engine rebuilds and restorations. Each piston features precise manufacturing standards to ensure proper fit and function within your vintage Harley engine. Proper installation and break-in procedures are essential to maximize piston lifespan and engine performance. It is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears during the break-in period. Refer to the detailed installation instructions available online to facilitate correct assembly and ensure optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eUOM: SET - Complete piston set for comprehensive installation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCountry of Origin: MEXICO - Quality manufacturing location\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eSuggested Items: 11-1370 - 74 inch Moly Piston Ring Set.020 Oversize for optimal sealing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eAccessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 16-0029 - Connecting Rod Clamping Tool, 60-0167 for installation convenience\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":44653173604394,"sku":"11-2203","price":203.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2203.jpg?v=1785888964","url":"https:\/\/atticusgoods.com\/products\/keith-black-74-inch-flh-fx-piston-set-020-oversize-for-harley-davidson-fl-models","provider":"Atticus Goods","version":"1.0","type":"link"}