{"product_id":"hastings-replacement-piston-rings-for-3-750-bore","title":"Hastings Replacement Piston Rings for 3.750\" Bore","description":"\u003cp\u003eEnsure peak engine performance and longevity with the Hastings Piston Rings set, meticulously engineered for a 3.750\" bore. This comprehensive set provides everything needed for a complete piston ring replacement, delivering superior sealing and oil control for your motorcycle engine.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Hastings Piston Rings set is a premium replacement solution designed to restore optimal compression and efficiency to your engine. Each set includes top compression rings, second compression rings, and oil control rings, specifically manufactured for a \u003cstrong\u003e3.750\" bore\u003c\/strong\u003e. The \u003cstrong\u003eMoly Coated\u003c\/strong\u003e ring material ensures enhanced durability and reduced friction, crucial for high-performance motorcycle engines. The top compression rings feature a Barrel Face design, essential for efficient heat transfer between the piston and cylinder wall, while effectively controlling combustion chamber gases to maximize power transfer to the crankshaft. The second compression rings are Napier style, featuring a reverse twist and taper-machined face. This innovative design duplicates the scraping edge of a positive twist torsional ring, actively promoting side sealing to prevent oil from being forced under and behind the ring, thereby significantly improving oil economy. For superior oil control, the set includes Three Piece Flex Vent oil control rings. Their three-piece design allows for rails with a small cross-sectional area, ensuring better conformability to the cylinder bore and providing uniform pressure through four steel rails and two expanders for consistently positive oil management. Proudly \u003cstrong\u003eMade in the USA\u003c\/strong\u003e, this Hastings piston ring set offers uncompromising quality and precision engineering for demanding motorcycle applications.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Replacement Set:\u003c\/strong\u003e Includes top compression, second compression, and oil control rings, providing a full solution for two pistons to restore engine efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Heat Transfer:\u003c\/strong\u003e Barrel Face top compression rings efficiently transfer heat and control combustion gases, maximizing power output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Oil Economy:\u003c\/strong\u003e Napier-style second compression rings with a unique reverse twist design improve side sealing, preventing oil bypass and reducing consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Oil Control:\u003c\/strong\u003e Three Piece Flex Vent oil control rings feature a conformable design with uniform pressure distribution for precise oil management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Moly Coated Material:\u003c\/strong\u003e Constructed with Moly Coated ring material for increased wear resistance and reduced friction, ensuring long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineered:\u003c\/strong\u003e Designed for a 3.750\" bore, guaranteeing a perfect fit and reliable operation in your engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican Made Quality:\u003c\/strong\u003e Manufactured in the USA, ensuring high standards of craftsmanship and reliability for your motorcycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Name: Piston Ring Set\u003c\/li\u003e\n\u003cli\u003eBrand: Hastings\u003c\/li\u003e\n\u003cli\u003eStyle: Replacement\u003c\/li\u003e\n\u003cli\u003eUnits: Set\u003c\/li\u003e\n\u003cli\u003eBore Size: 3.750\"\u003c\/li\u003e\n\u003cli\u003eBore Oversize: Standard\u003c\/li\u003e\n\u003cli\u003eRing Material: Moly Coated\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: WG1155190|2M4805\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":62384006431050,"sku":"09120467","price":43.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/8912d2cb60315d95cfdb84fd0c235ffa_8451ff2d-f549-4d4a-b98e-85def2c70088.webp?v=1781766373","url":"https:\/\/partsdenmark.com\/products\/hastings-replacement-piston-rings-for-3-750-bore","provider":"Parts Denmark","version":"1.0","type":"link"}