{"product_id":"mahle-oe-steel-napier-ring-set-for-thm-engines-4-030-inches-1-5mm-width-151-rw-plain-rings","title":"Mahle OE Steel Napier Ring Set for THM Engines, 4.030 inches, 1.5mm width, .151 RW Plain Rings","description":"\u003cp\u003eUpgrade your engine rebuild with the Mahle OE Steel Napier Ring Set designed specifically for THM series engines. Each ring set features precision-engineered plain rings that provide reliable sealing and durability under demanding conditions. Constructed from high-quality steel, these rings ensure longevity and consistent performance for your automotive restoration or repair project. Whether you're restoring an older engine or replacing worn components, Mahle's rings are engineered to meet or exceed OEM standards. The 4.030-inch diameter and 1.5mm width are optimized to fit standard THM engine specifications, delivering a seamless fit and reliable operation. These rings are not CARB approved but are suitable for applications where compliance isn't a primary concern, making them ideal for off-road, vintage, or specialty builds. Easy to install, they help restore compression and maintain engine efficiency, contributing to smoother engine operation and extended service life. Trust Mahle OE's reputation for quality and precision in every component, and ensure your engine performs at its best with this durable steel Napier ring set.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: High-quality steel for durability and long-lasting performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDimensions: 4.030 inches in diameter with a 1.5mm width for precise fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRing Type: Plain rings designed for sealing and compression in THM engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: Specifically engineered for THM series engine applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesign: Napier style rings optimized for engine sealing and efficiency\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mahle OE","offers":[{"title":"Default Title","offer_id":46984890482887,"sku":"mhl3021206","price":42.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/3851c67da9b8795a87d3d397e0abaa54_64e7af54-f487-4db4-bbb1-bf38ba90932a.jpg?v=1786510195","url":"https:\/\/mainstreeteshop.com\/products\/mahle-oe-steel-napier-ring-set-for-thm-engines-4-030-inches-1-5mm-width-151-rw-plain-rings","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}