{"product_id":"hastings-piston-rings-80-standard-for-harley-davidson-evo-1340","title":"Hastings Piston Rings 80\" Standard for Harley Davidson EVO 1340","description":"\u003cp\u003eEnhance your Harley Davidson's engine performance and longevity with the Hastings 80\" Standard Piston Rings. This complete set is engineered for optimal combustion control and superior oil management, ensuring your motorcycle runs efficiently.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe Hastings 80\" Standard Piston Rings are meticulously engineered to restore peak performance and extend the life of your Harley Davidson EVO 1340 or Sportster XLH 1200 engine from 1983-2003. This premium set includes all necessary rings for two pistons, designed to optimize critical engine functions. The top compression rings feature a robust barrel face design, crucial for efficient heat transfer between the piston and cylinder wall, while effectively sealing combustion chamber gases. This allows the piston to fully convert the energy of expanding combustion gases into crankshaft power.\u003c\/p\u003e\u003cp\u003eComplementing these, the second compression rings utilize a reverse torsional taper face. This innovative design promotes superior side sealing, preventing oil from being forced under and behind the ring, leading to improved oil economy. The reverse twist, combined with a taper-machined ring face, effectively duplicates the scraping action of a positive twist torsional ring, further enhancing oil control. For ultimate oil management, the three-piece Flex Vent oil control rings are designed with a small cross-sectional area for exceptional conformability to the bore. They ensure uniform pressure through four steel rails and two expanders, providing positive oil control across a range of operating conditions. Proudly made in the USA, these Hastings 80\" Standard Piston Rings are a testament to quality and precision engineering for your Harley Davidson.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Combustion Control:\u003c\/strong\u003e Barrel face top rings efficiently seal combustion gases for maximum power transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Heat Dissipation:\u003c\/strong\u003e Designed to enhance heat transfer from piston to cylinder wall, improving engine longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Oil Economy:\u003c\/strong\u003e Reverse torsional taper face second rings prevent oil bypass, reducing consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Bore Conformability:\u003c\/strong\u003e Three-piece Flex Vent oil rings ensure consistent contact for positive oil control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Reliable:\u003c\/strong\u003e Engineered for lasting performance in demanding motorcycle engine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProudly Made in the USA:\u003c\/strong\u003e Guarantees high-quality manufacturing and materials.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Hastings\u003c\/li\u003e\n\u003cli\u003eProduct Type: Piston Rings Set\u003c\/li\u003e\n\u003cli\u003eEngine Compatibility (Nominal): 80 cubic inches (1340cc) Evolution, 1200cc Sportster\u003c\/li\u003e\n\u003cli\u003eBore Size: Standard\u003c\/li\u003e\n\u003cli\u003eTop Compression Ring Type: Barrel Face\u003c\/li\u003e\n\u003cli\u003eSecond Compression Ring Type: Reverse Torsional Taper Face\u003c\/li\u003e\n\u003cli\u003eOil Control Ring Type: Three Piece Flex Vent\u003c\/li\u003e\n\u003cli\u003eQuantity: Includes rings for two pistons\u003c\/li\u003e\n\u003cli\u003eManufacturing Origin: USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 0075538112334\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant to Know\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecial attention to top ring end gap is required due to piston thermal conductivity and design. Always consult piston manufacturer's instructions for correct ring installation.\u003c\/li\u003e\n\u003cli\u003ePistons are not included with this ring set.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":63703173005642,"sku":"DS750840","price":19.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/8912d2cb60315d95cfdb84fd0c235ffa_dd9c530c-720c-4627-bc15-f08607816537.webp?v=1790495293","url":"https:\/\/partsdenmark.com\/products\/hastings-piston-rings-80-standard-for-harley-davidson-evo-1340","provider":"Parts Denmark","version":"1.0","type":"link"}