{"product_id":"aed-nylon-needle-seat-gaskets-top-bottom-kit-5123","title":"AED Nylon Needle \u0026 Seat Gaskets, Top \u0026 Bottom Kit | 5123","description":"\u003cp\u003eAED nylon needle and seat gaskets seal the top and bottom of the needle and seat assembly on Holley carburetors, preventing fuel leaks around the fitting. The kit covers both the 0.25 in and 0.375 in gasket sizes used across Holley needle and seat assemblies.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSizes: 0.25 in and 0.375 in ID\u003c\/li\u003e\n\u003cli\u003eThickness: 0.031 in\u003c\/li\u003e\n\u003cli\u003eMaterial: Nylon\u003c\/li\u003e\n\u003cli\u003ePosition: Bottom \/ top\u003c\/li\u003e\n\u003cli\u003eApplication: Holley carburetors\u003c\/li\u003e\n\u003cli\u003eSold: Kit\u003c\/li\u003e\n\u003cli\u003ePart Number: 5123\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat sizes of gaskets are in the 5123 kit?\u003c\/h5\u003e\u003cp\u003eBoth 0.25 in and 0.375 in ID gaskets, 0.031 in thick.\u003c\/p\u003e\u003ch5\u003eWhere do these gaskets go?\u003c\/h5\u003e\u003cp\u003eOn the top and bottom of the needle and seat assembly on Holley carburetors.\u003c\/p\u003e\u003ch5\u003eWhat material are the 5123 gaskets?\u003c\/h5\u003e\u003cp\u003eNylon.\u003c\/p\u003e\u003ch5\u003eWhy replace needle and seat gaskets?\u003c\/h5\u003e\u003cp\u003eWorn or hardened gaskets are a common source of external fuel leaks around the needle and seat fitting; replacing them during a rebuild restores the seal.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What sizes of gaskets are in the 5123 kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both 0.25 in and 0.375 in ID gaskets, 0.031 in thick.\"}},{\"@type\":\"Question\",\"name\":\"Where do these gaskets go?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"On the top and bottom of the needle and seat assembly on Holley carburetors.\"}},{\"@type\":\"Question\",\"name\":\"What material are the 5123 gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Nylon.\"}},{\"@type\":\"Question\",\"name\":\"Why replace needle and seat gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Worn or hardened gaskets are a common source of external fuel leaks around the needle and seat fitting; replacing them during a rebuild restores the seal.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":42987713331248,"sku":"BJLH_5123","price":6.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/AED5123.jpg?v=1777488109","url":"https:\/\/berryperformancesales.com\/products\/aed-nylon-needle-seat-gaskets-top-bottom-kit-5123","provider":"Berry Performance Sales","version":"1.0","type":"link"}