{"product_id":"arp-big-block-chevy-header-stud-kit-hex-3-8-1-670-100-1413","title":"ARP Big Block Chevy Header Stud Kit, Hex Nuts, 3\/8 x 1.670 OAL, Set of 16 | 100-1413","description":"\u003cp\u003eThis ARP header stud kit includes sixteen 3\/8 in diameter studs measuring 1.67 in long, paired with hex nuts. Studs are machined from chromoly steel and finished in black oxide for corrosion resistance. It's built for Big Block Chevy header installations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: Header Stud Kit\u003c\/li\u003e\n\u003cli\u003eDiameter: 3\/8 in\u003c\/li\u003e\n\u003cli\u003eLength: 1.67 in OAL\u003c\/li\u003e\n\u003cli\u003eNut Style: Hex\u003c\/li\u003e\n\u003cli\u003eMaterial: Chromoly Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003eQuantity: Set of 16\u003c\/li\u003e\n\u003cli\u003ePart Number: 100-1413\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBig Block Chevy\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engines does this header stud kit fit?\u003c\/h5\u003e\u003cp\u003eThis kit is designed for Big Block Chevy applications.\u003c\/p\u003e\u003ch5\u003eWhy use studs instead of bolts for headers?\u003c\/h5\u003e\u003cp\u003eStuds thread permanently into the block and use a nut to clamp the header, which distributes clamping load more evenly and reduces the risk of stripped threads from repeated bolt removal.\u003c\/p\u003e\u003ch5\u003eWhat nut style is included?\u003c\/h5\u003e\u003cp\u003eThis kit uses hex nuts.\u003c\/p\u003e\u003ch5\u003eHow many studs are included?\u003c\/h5\u003e\u003cp\u003eThis kit includes a set of 16 studs.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What engines does this header stud kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for Big Block Chevy applications.\"}},{\"@type\":\"Question\",\"name\":\"Why use studs instead of bolts for headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Studs thread permanently into the block and use a nut to clamp the header, which distributes clamping load more evenly and reduces the risk of stripped threads from repeated bolt removal.\"}},{\"@type\":\"Question\",\"name\":\"What nut style is included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit uses hex nuts.\"}},{\"@type\":\"Question\",\"name\":\"How many studs are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit includes a set of 16 studs.\"}}]}\u003c\/script\u003e","brand":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":42513185472560,"sku":"BQDN_100-1413","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/ARP100-1413.jpg?v=1761317586","url":"https:\/\/berryperformancesales.com\/products\/arp-big-block-chevy-header-stud-kit-hex-3-8-1-670-100-1413","provider":"Berry Performance Sales","version":"1.0","type":"link"}