{"product_id":"arp-nissan-sr20det-head-stud-kit-12pt-undercut-102-4701","title":"ARP Nissan SR20DET Cylinder Head Stud Kit, 12-Point, Undercut | 102-4701","description":"\u003cp\u003eThis ARP cylinder head stud kit is built for the Nissan SR20DET 4-cylinder engine. It uses undercut studs, which reduce stress risers at the thread root for improved fatigue strength under repeated clamping cycles, paired with 12-point nuts. Studs are machined from chromoly steel and finished in black oxide for corrosion resistance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Cylinder Head Stud Kit\u003c\/li\u003e\n\u003cli\u003eNut Style: 12-Point\u003c\/li\u003e\n\u003cli\u003eStud Design: Undercut\u003c\/li\u003e\n\u003cli\u003eMaterial: Chromoly Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003ePart Number: 102-4701\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eNissan SR20DET (4-Cylinder)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engine does this head stud kit fit?\u003c\/h5\u003e\u003cp\u003eThis kit is designed for the Nissan SR20DET 4-cylinder engine.\u003c\/p\u003e\u003ch5\u003eWhat does \"undercut\" mean for these studs?\u003c\/h5\u003e\u003cp\u003eThe stud shank is machined slightly smaller in diameter than the thread root, which reduces stress concentration and improves fatigue resistance under repeated clamping cycles.\u003c\/p\u003e\u003ch5\u003eWhat material are these studs made from?\u003c\/h5\u003e\u003cp\u003eThey're machined from chromoly steel with a black oxide finish.\u003c\/p\u003e\u003ch5\u003eWhat nut style is included?\u003c\/h5\u003e\u003cp\u003eThis kit uses 12-point nuts.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engine does this head stud kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for the Nissan SR20DET 4-cylinder engine.\"}},{\"@type\":\"Question\",\"name\":\"What does 'undercut' mean for these studs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The stud shank is machined slightly smaller in diameter than the thread root, which reduces stress concentration and improves fatigue resistance under repeated clamping cycles.\"}},{\"@type\":\"Question\",\"name\":\"What material are these studs made from?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"They're machined from chromoly steel with a black oxide finish.\"}},{\"@type\":\"Question\",\"name\":\"What nut style is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit uses 12-point nuts.\"}}]}\u003c\/script\u003e","brand":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":42513190715440,"sku":"BQDN_102-4701","price":200.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ARP102-4701.jpg?v=1761317929","url":"https:\/\/berryperformancesales.com\/products\/arp-nissan-sr20det-head-stud-kit-12pt-undercut-102-4701","provider":"Berry Performance Sales","version":"1.0","type":"link"}