{"product_id":"bbtv-4660-engine-piston-ring","title":"BBTV 4660 Engine Piston Ring","description":"\u003ch2\u003eEngine Piston Ring for Nissan Applications\u003c\/h2\u003e\u003cp\u003eThis engine piston ring is built for standard-bore 4-cylinder applications and is identified by part number 4660. It uses grey iron and steel rail\/stainless exp construction with phosphate and chrome surface treatments for the ring set.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard bore size: 89.00 mm \/ 3.504 in.\u003c\/li\u003e\n\u003cli\u003eTop ring and second ring use grey iron construction.\u003c\/li\u003e\n\u003cli\u003eTop ring and second groove are phosphate treated for added surface protection.\u003c\/li\u003e\n\u003cli\u003eFirst oil ring uses steel rail\/stainless exp material with a chrome surface treatment.\u003c\/li\u003e\n\u003cli\u003eDesigned for 4-cylinder engine configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003ePart number 4660 is an engine piston ring set for Nissan 240SX, Altima, Pickup, Axxess, D21, and Stanza applications listed in the fitment data. The ring package is sized for a standard 89.00 mm bore and uses groove dimensions of 1.5 mm for the top and second rings, with a 2.8 mm first oil groove. The material and coating combination is intended to provide consistent sealing and wear resistance in the cylinder block assembly.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring cylinder compression when ring wear has increased blow-by.\u003c\/li\u003e\n\u003cli\u003eAddressing oil control issues caused by worn or damaged piston rings.\u003c\/li\u003e\n\u003cli\u003eReplacing rings during a standard-bore engine rebuild.\u003c\/li\u003e\n\u003cli\u003eSupporting proper sealing in 4-cylinder Nissan engine assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify bore size, groove dimensions, and ring orientation before installation. Clean the piston ring grooves thoroughly and inspect the cylinder walls for wear or scoring before assembly. Confirm the engine matches the listed 89.00 mm standard-bore specification and the fitment shown for the Nissan 240SX, Altima, Pickup, Axxess, D21, and Stanza.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eUse this part only where the bore, groove sizes, and fitment data match the engine specification. Part number 4660 should be checked against the engine build sheet and measured components before final assembly.\u003c\/p\u003e","brand":"BBTV","offers":[{"title":"Default Title","offer_id":53669307711669,"sku":"BBTV-4660","price":55.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HA_4660_Fro.jpg?v=1793687110","url":"https:\/\/www.partcatalog.com\/products\/bbtv-4660-engine-piston-ring","provider":"PartCatalog","version":"1.0","type":"link"}