{"product_id":"mahle-oe-performance-steel-napier-second-ring-set-4-355-inch-x-043-inch-x-135-inch-48-pack","title":"Mahle OE Performance Steel Napier Second Ring Set - 4.355 Inch x .043 Inch x .135 Inch, 48 Pack","description":"\u003cp\u003eThe Mahle OE Performance Steel Napier Second Ring Set is designed for high-quality engine performance and durability. Crafted from premium steel, these rings deliver reliable sealing and optimal engine efficiency in a variety of automotive applications. The set includes 48 rings, making it ideal for bulk purchase or extensive rebuild projects, ensuring you have sufficient supply for multiple engines or repairs. Each ring features precise dimensions to fit standard specifications, promoting proper ring gap and optimal compression.\u003cbr\u003eThe second ring, often called the Napier ring, plays a critical role in controlling oil consumption and preventing oil from passing into the combustion chamber. With a diameter of 4.355 inches, and thicknesses of .043 inches and .135 inches, these rings are engineered for durability and consistent performance under demanding conditions. The plain design of these rings ensures smooth operation within the piston groove, reducing wear and extending part lifespan.\u003cbr\u003eThis performance ring set is suitable for a broad range of automotive rebuilds and repairs. It is not CARB-compliant, making it suitable where compliance is not a requirement. The product is shipped in bulk, with 48 rings per set, providing cost-effective options for professional mechanics and automotive enthusiasts alike. Proper installation and compatibility checks are recommended to ensure optimal engine performance and longevity. This set is a dependable choice for maintaining engine integrity and achieving long-term reliability in your automotive projects.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePremium steel construction for durability and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 48 rings for extensive use or multiple engine rebuilds\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for precise fit with a 4.355 inch diameter\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSecond (Napier) ring optimized for oil control and sealing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eThickness measurements of .043 inches and .135 inches for proper fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBulk pack ideal for professional and enthusiast applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot CARB-compliant, suitable where regulation is not required\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mahle OE","offers":[{"title":"Default Title","offer_id":46981913313479,"sku":"mhl3021351B","price":305.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/3851c67da9b8795a87d3d397e0abaa54_15e79a88-44d6-4a18-9774-e4844b36df06.jpg?v=1786487179","url":"https:\/\/mainstreeteshop.com\/products\/mahle-oe-performance-steel-napier-second-ring-set-4-355-inch-x-043-inch-x-135-inch-48-pack","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}