Pro series cylinder head Bolts from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 170,000 psi. ARP Pro series kits are with 12-point bolts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. Ve been in business for over nine years and are committed to providing excellent products with exceptional service.If you have any questions or problems, we are more than happy to address your concerns. The item "Arp 134-3701 Sbc Small Block Chevy 12 point Aluminum or Steel Head Bolts Heads" is in sale since Thursday, September 3, 2015. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "abad71camaro" and is located in Columbus, Georgia. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Viet nam.