{"product_id":"arp-gm-2-2l-ecotec-cylinder-head-stud-kit-12-point-chromoly-undercut-231-4701","title":"ARP GM 2.2L Ecotec Cylinder Head Stud Kit, 12-Point, Chromoly, Undercut | 231-4701","description":"\u003cp\u003eThis ARP cylinder head stud kit is built for GM 2.2L Ecotec 4-cylinder engines, using undercut chromoly studs with a black oxide finish and 12-point nuts for consistent clamping load under high cylinder pressure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-Point Nuts\u003c\/li\u003e\n\u003cli\u003eChromoly Material\u003c\/li\u003e\n\u003cli\u003eBlack Oxide Finish\u003c\/li\u003e\n\u003cli\u003eUndercut Studs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGM 2.2L Ecotec (4-Cylinder)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat are these head studs made from?\u003c\/h5\u003e\u003cp\u003eThey're made from chromoly steel with a black oxide finish.\u003c\/p\u003e\u003ch5\u003eWhat nut style is included?\u003c\/h5\u003e\u003cp\u003eThe kit uses 12-point nuts for a secure, high-torque fit.\u003c\/p\u003e\u003ch5\u003eWhat does \"undercut\" mean?\u003c\/h5\u003e\u003cp\u003eUndercut studs have reduced shank diameter below the threads, allowing more even stretch under load.\u003c\/p\u003e\u003ch5\u003eWhich engine is this kit designed for?\u003c\/h5\u003e\u003cp\u003eThis kit is designed for the GM 2.2L Ecotec 4-cylinder engine.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What are these head studs made from?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They're made from chromoly steel with a black oxide finish.\"}},{\"@type\":\"Question\",\"name\":\"What nut style is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit uses 12-point nuts for a secure, high-torque fit.\"}},{\"@type\":\"Question\",\"name\":\"What does \\\"undercut\\\" mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Undercut studs have reduced shank diameter below the threads, allowing more even stretch under load.\"}},{\"@type\":\"Question\",\"name\":\"Which engine is this kit designed for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for the GM 2.2L Ecotec 4-cylinder engine.\"}}]}\u003c\/script\u003e","brand":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":42513296588848,"sku":"BQDN_231-4701","price":173.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ARP231-4701.jpg?v=1761322715","url":"https:\/\/berryperformancesales.com\/products\/arp-gm-2-2l-ecotec-cylinder-head-stud-kit-12-point-chromoly-undercut-231-4701","provider":"Berry Performance Sales","version":"1.0","type":"link"}