1.0ATK High Performance Enginehttps://atkhp.comBrandonhttps://atkhp.com/author/brandon-2/rich600338<blockquote class="wp-embedded-content" data-secret="IrEFC1cTZS"><a href="https://atkhp.com/product/arp-8740-pro-series-gm-ls1-head-stud-kit-1997-2003-234-4316/">ARP 8740 Pro Series GM LS1 Head Stud Kit 1997-2003 234-4316</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://atkhp.com/product/arp-8740-pro-series-gm-ls1-head-stud-kit-1997-2003-234-4316/embed/#?secret=IrEFC1cTZS" width="600" height="338" title="“ARP 8740 Pro Series GM LS1 Head Stud Kit 1997-2003 234-4316” — ATK High Performance Engine" data-secret="IrEFC1cTZS" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> https://atkhp.com/wp-content/uploads/2023/07/ImageServer.jpg800530These head studs are manufactured by ARP from premium 8740 chrome moly steel and heat treated to 200,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground washers and 12 point nuts included.  Exact tolerances ensure that gaskets […]