{"product_id":"keith-black-kb263-040-74-inch-flh-fx-piston-set-040-oversize","title":"Keith Black KB263.040 74 inch FLH-FX Piston Set .040 Oversize","description":"Keith Black 390 hypereutectic piston set is .040 oversize and is for 3.438 inch bore. Pistons have a compression of 9.0:1.\n\u003cp\u003eThe Keith Black KB263.040 74 inch FLH-FX Piston Set .040 Oversize is designed for the listed 1941–1950 Harley-Davidson FL applications. This piston set is supplied as a set and is identified by part number KB263.040.\u003c\/p\u003e\u003cp\u003eProper break-in is important for new pistons and rings. Run the engine at moderate speeds for at least 500 miles while avoiding excessive running in lower gears. Refer to the Keith Black piston installation guide for installation information.\u003c\/p\u003e\u003cp\u003eA suggested 74 inch moly piston ring set .040 oversize is listed separately under part number 11-1372. Accessory items listed for this product include the Ring-O-Matic Ring Compressor Tool Kit, Connecting Rod Clamping Tool, and item 60-0167.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Keith Black\u003c\/li\u003e\n\u003cli\u003ePart Number: KB263.040\u003c\/li\u003e\n\u003cli\u003eApplication: 74 inch FLH-FX\u003c\/li\u003e\n\u003cli\u003eOversize: .040 oversize\u003c\/li\u003e\n\u003cli\u003eProduct Type: Piston set\u003c\/li\u003e\n\u003cli\u003eFitment: 1941–1950 Harley-Davidson FL\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Set\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Mexico\u003c\/li\u003e\n\u003cli\u003eBreak-In Guidance: Run the engine at moderate speeds for at least 500 miles while avoiding excessive running in lower gears\u003c\/li\u003e\n\u003c\/ul\u003e\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","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44583473709143,"sku":"11-2205","price":718.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/11-2205.jpg?v=1793268992","url":"https:\/\/valleyspeed.net\/products\/keith-black-kb263-040-74-inch-flh-fx-piston-set-040-oversize","provider":"The Speed Shop Canada","version":"1.0","type":"link"}