{"product_id":"manley-04-subaru-wrx-sti-ej257-99-75mm-bore-1-2mm-x-1-2mm-x-2-0mm-25mm-oversized-ring-set","title":"Manley 04+ Subaru WRX\/STi (EJ257) 99.75mm Bore 1.2mm x 1.2mm x 2.0mm +.25mm Oversized Ring Set","description":"\u003cp\u003eThe Manley 04+ Subaru WRX\/STi (EJ257) 99.75mm Bore +.25mm Oversized Ring Set is a high-performance piston ring kit designed to provide a reliable and durable seal for Subaru EJ257 engines. Manufactured by Manley Performance, this set includes premium steel top rings, ductile iron top rings with plasma-moly inlay, and Napier-style second rings. These components are engineered to ensure optimal sealing, reduce blow-by, and enhance engine longevity. The rings are meticulously crafted to meet the demands of high-performance applications, offering excellent wear resistance and consistent performance across various engine builds.\u003c\/p\u003e\n\u003cp\u003eThis ring set is compatible with 2004 and newer Subaru WRX and STI models equipped with the EJ257 engine, covering a bore size of 99.75mm. It is suitable for both street and track use, providing a direct replacement or upgrade for stock rings. The kit includes all necessary components for installation and is ideal for rebuilds, performance upgrades, or restoring engine compression. Designed for engines requiring a .25mm oversize bore, this set ensures precise fitment and reliable sealing in high-performance and demanding driving conditions.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":52565707522335,"sku":"46997-4","price":155.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/4d027b9a-b8fc-4582-b65c-dcfaeecb4c9c-800_6625826c-e081-4905-a9aa-8ecb02da28db.jpg?v=1779600266","url":"https:\/\/shop.wheelflip.com\/products\/manley-04-subaru-wrx-sti-ej257-99-75mm-bore-1-2mm-x-1-2mm-x-2-0mm-25mm-oversized-ring-set","provider":"WheelFlip","version":"1.0","type":"link"}