{"product_id":"v-twin-1270cc-cylinder-and-piston-conversion-kit-for-harley-davidson-xl","title":"V-Twin 1270cc Cylinder and Piston Conversion Kit for Harley-Davidson XL","description":"\u003cdiv\u003e\n\u003ch1\u003eV-Twin 1270cc Cylinder and Piston Conversion Kit for Harley-Davidson XL\u003c\/h1\u003e\n\u003cp\u003eUpgrade your Harley-Davidson XL from 1200cc to 1270cc with a no-machining big-bore kit that includes two pre-fitted, silver-finished cylinders and forged pistons with moly rings. A compression ratio of 10.1:1 is designed to balance power and reliability, and a head gasket is included for a complete upgrade.\u003c\/p\u003e\n\u003cp\u003eThe cylinders are precision honed to a bore of approximately 3.5995 to 3.6005 inches, delivering a precise fit and improved combustion efficiency thanks to pistons with Teflon-coated tops.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for converting 1200cc models to 1270cc, with a flat piston set tailored explicitly for 1200cc models to maintain compatibility and reliability. No machining required—pre-fitted cylinders and a complete hardware kit streamline installation. Crafted in Taiwan for Harley-Davidson XL models listed in the product data.\u003c\/p\u003e \u003ch2\u003eCompatibility and fitment\u003c\/h2\u003e\n\u003cp\u003eFitment: Harley Davidson XL 1986 through 1995. The product data also lists compatibility with XL models through 2003 in the official specifications.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eIncludes two silver-finished cylinders\u003c\/li\u003e\n\u003cli\u003eForged pistons with moly rings\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 10.1:1\u003c\/li\u003e\n\u003cli\u003eBore size: approximately 3.5995–3.6005 inches\u003c\/li\u003e\n\u003cli\u003ePistons with Teflon-coated tops\u003c\/li\u003e\n\u003cli\u003eNo machining required; pre-fitted cylinders\u003c\/li\u003e\n\u003cli\u003eFlat piston set tailored for 1200cc models\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003cli\u003eRecommended pairing: cylinder head gasket set, piston ring set\u003c\/li\u003e\n\u003c\/ul\u003eBig bore cylinder kit for 1200-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio of 10.1.\n\u003cp\u003eEnhance your Harley-Davidson XL engine performance with the V-Twin 1270cc Cylinder and Piston Conversion Kit. This comprehensive kit includes two pre-fitted silver-finished cylinders, forged pistons with moly rings, and all necessary components for an easy upgrade. Designed specifically for converting 1200cc models to 1270cc, the kit ensures a seamless installation without the need for machining. The cylinders are finished with precision on our specialized honing machine, providing a bore size of approximately 3.5995 to 3.6005 inches, ensuring optimal fit and performance. The forged pistons feature Teflon-coated tops to promote more complete combustion, contributing to increased horsepower and efficiency. The included flat piston set is tailored explicitly for 1200cc models, making this kit ideal for riders looking to boost their engine's power while maintaining reliable performance. Whether you're restoring an older model or seeking a performance upgrade, this kit offers a straightforward solution to achieve higher displacement and improved engine output. Crafted in Taiwan, this high-quality conversion kit is compatible with Harley-Davidson XL models from 1986 to 1995, providing a durable and precise fit for your motorcycle. Pair it with our recommended accessories, such as the cylinder head gasket set and piston ring set, for a complete upgrade experience. Invest in the V-Twin 1270cc Cylinder and Piston Conversion Kit to unlock your motorcycle's full potential and enjoy enhanced riding performance. \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eIncludes two silver-finished cylinders, forged pistons, and moly rings for a complete upgrade\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned specifically for converting 1200cc Harley-Davidson XL models to 1270cc\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eNo machining required; cylinders are pre-fitted and finished on a precision honing machine\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eForged pistons with Teflon-coated tops for improved combustion efficiency\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatible with Harley-Davidson XL models from 1986 to 1995\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson XL 1986\u003cbr\u003e\nHarley Davidson XL 1987\u003cbr\u003e\nHarley Davidson XL 1988\u003cbr\u003e\nHarley Davidson XL 1989\u003cbr\u003e\nHarley Davidson XL 1990\u003cbr\u003e\nHarley Davidson XL 1991\u003cbr\u003e\nHarley Davidson XL 1992\u003cbr\u003e\nHarley Davidson XL 1993\u003cbr\u003e\nHarley Davidson XL 1994\u003cbr\u003e\nHarley Davidson XL 1995\u003cbr\u003e\nHarley Davidson XL 1996\u003cbr\u003e\nHarley Davidson XL 1997\u003cbr\u003e\nHarley Davidson XL 1998\u003cbr\u003e\nHarley Davidson XL 1999\u003cbr\u003e\nHarley Davidson XL 2000\u003cbr\u003e\nHarley Davidson XL 2001\u003cbr\u003e\nHarley Davidson XL 2002\u003cbr\u003e\nHarley Davidson XL 2003\u003c\/div\u003e","brand":"V-Twin","offers":[{"title":"Default Title","offer_id":44653790461994,"sku":"11-1273","price":451.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-1273a.jpg?v=1785910177","url":"https:\/\/atticusgoods.com\/products\/v-twin-1270cc-cylinder-and-piston-conversion-kit-for-harley-davidson-xl","provider":"Atticus Goods","version":"1.0","type":"link"}