{"product_id":"keith-black-80-inch-flh-fx-piston-set-010-oversize-high-performance-engine-component","title":"Keith Black 80 Inch FLH FX Piston Set.010 Oversize","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 80 Inch FLH-FX Piston Set.010 Oversize\u003c\/h1\u003e\n\u003cp\u003eUpgrade your Harley-Davidson with the Keith Black 80 Inch FLH-FX Piston Set in.010 oversize, delivering increased displacement and power for 1980–1984 Shovelhead models. Crafted from a hypereutectic alloy and cast in a permanent steel mold, these pistons maintain precise dimensions for durability while remaining lightweight. The design promotes better fuel efficiency and longer engine life through low heat transfer and optimized ring placement.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOversize:.010\u003c\/li\u003e \u003cli\u003eBore: 3.498 inches\u003c\/li\u003e \u003cli\u003eCompression Ratio: 8:1\u003c\/li\u003e \u003cli\u003eMaterial: Hypereutectic alloy\u003c\/li\u003e \u003cli\u003eCasting Method: Permanent steel mold\u003c\/li\u003e \u003cli\u003eApplication: Fits Harley-Davidson FL\/FX models produced 1978–1984 (including FL, FLT, FX, FXR)\u003c\/li\u003e \u003cli\u003eMade in the USA\u003c\/li\u003e \u003cli\u003ePart Number: KB288.010\u003c\/li\u003e \u003cli\u003eBreak-in: Run at moderate speeds for at least 500 miles to ensure proper seating of pistons and rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor installation, consult the Keith Black Sym-Asym Piston Installation Guide.\u003c\/p\u003eKeith Black dome piston set is.010 oversize with a 7.2:1 compression ratio for 1980-1984 80 inch Shovelhead models.\n\u003cp\u003eUpgrade your Harley Davidson FL or FX with the Keith Black 80 inch FLH-FX Piston Set in.010 oversize. Crafted from the advanced hypereutectic alloy, these pistons are cast in a permanent steel mold to ensure precise dimensions and durability. This design allows for a lightweight piston that delivers increased power, improved fuel efficiency, and longer engine life. The pistons feature a 3.498-inch bore and an 8:1 compression ratio, optimized for performance and reliability. The low heat transfer properties of the alloy help keep the piston skirts cooler, minimizing expansion and enhancing longevity. High compression ring placement not only boosts power but also reduces detonation and increases the top ring temperature, improving overall engine efficiency. Proper break-in is essential; run the engine at moderate speeds for at least 500 miles, avoiding excessive low gear operation to ensure optimal seating of pistons and rings. For installation, consult the provided instructions: \u003ca href=\"http:\/\/www.vtwinmfg.com\/Instructions\/MS\/KB%20Sym-Asym%20Piston%20Installation%20Guide.pdf\"\u003eKeith Black Sym-Asym Piston Installation Guide\u003c\/a\u003e. This piston set is designed specifically for Harley Davidson models from 1978 to 1984, including FL and FX series, ensuring a perfect fit and reliable performance. Complements with suggested items like piston ring sets and installation tools for a comprehensive upgrade. Made in the USA, this piston set offers a high-quality solution for enthusiasts seeking enhanced engine performance and durability.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eMaterial: Hypereutectic alloy for durability and heat resistance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCasting Method: Permanent steel mold for precise dimensions\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversize:.010 for increased displacement and power\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eBore Size: 3.498 inches to fit specific Harley models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompression Ratio: 8:1 optimized for performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eLow Heat Transfer: Keeps piston skirts cool for longevity\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh Ring Placement: Reduces detonation and enhances power\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eApplication: Fits 1978-1984 Harley Davidson FL and FX models\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FL 1978\u003cbr\u003e\nHarley Davidson FL 1979\u003cbr\u003e\nHarley Davidson FL 1980\u003cbr\u003e\nHarley Davidson FL 1981\u003cbr\u003e\nHarley Davidson FL 1982\u003cbr\u003e\nHarley Davidson FL 1983\u003cbr\u003e\nHarley Davidson FL 1984\u003cbr\u003e\nHarley Davidson FLT 1979\u003cbr\u003e\nHarley Davidson FLT 1980\u003cbr\u003e\nHarley Davidson FLT 1981\u003cbr\u003e\nHarley Davidson FLT 1982\u003cbr\u003e\nHarley Davidson FLT 1983\u003cbr\u003e\nHarley Davidson FX 1978\u003cbr\u003e\nHarley Davidson FX 1979\u003cbr\u003e\nHarley Davidson FX 1980\u003cbr\u003e\nHarley Davidson FX 1981\u003cbr\u003e\nHarley Davidson FX 1982\u003cbr\u003e\nHarley Davidson FX 1983\u003cbr\u003e\nHarley Davidson FX 1984\u003cbr\u003e\nHarley Davidson FXR 1982\u003cbr\u003e\nHarley Davidson FXR 1983\u003c\/div\u003e","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44653131137066,"sku":"11-2236","price":213.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2236.jpg?v=1785886307","url":"https:\/\/atticusgoods.com\/products\/keith-black-80-inch-flh-fx-piston-set-010-oversize-high-performance-engine-component","provider":"Atticus Goods","version":"1.0","type":"link"}