{"id":4849828462670,"title":"ARP 134-3609 LS SBC Head Bolt Kit","handle":"arp134-3609-sbc-ls-head-bolt-kit","description":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eThis ARP 134-3609 LS SBC Gen III High Performance cylinder head bolt kit comes with a reduced wrenching hex head. This eliminates the need for valve train removal to facilitate cylinder head retorquing. These High Performance Series bolts are 190,000 psi (which is 15% stronger than Grade 8)! Kits come complete with hardened parallel-ground washers. Sold as a set of 30.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cstrong\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eARP 134-3609 LS SBC Head Bolt Kit Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eFits LS Gen III 2003 \u0026amp; Earlier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eTwo Lengths\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eHex Head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003e8740 - 190,000 PSI\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eWhich is better, cylinder head studs or bolts? The answer depends on the installation. On many street-driven vehicles, master cylinders and other items protrude into the engine compartment. It’s probably necessary to use head bolts so the cylinder heads can be removed with the engine in the car.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eThe ARP 134-3609 LS SBC Head Bolt Kit is perfect for that application!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eStuds also provide more accurate and consistent torque loading. Using studs ensures easier engine assembly, and proper alignment of both the cylinder head and gasket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eHere’s why: when you use bolts to secure the head, the fastener is actually being “twisted” while it’s being torqued to the proper reading. Accordingly, the bolt is reacting to two different forces simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eInstall a stud in a “relaxed” mode – never crank it in tightly using a jammed nut. Always install the stud hand tight! Then, when applying torque to the nut, the stud will stretch only on the vertical axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eRemember, an undercut shorter stud will have a rate similar to a longer, standard shank stud. This provides a more even clamping force on the head. \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003eBecause the head gasket may compress,\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003echeck with your gasket manufacturer for retorquing requirements.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2020-10-08T16:29:57-05:00","created_at":"2020-10-08T16:29:58-05:00","vendor":"ARP","type":"Cylinder Head Fasteners","tags":["ARP","Chrome Moly","Chromoly","Cylinder Head Style (application): LS1","Cylinder Head Style (application): LS6","Engine Size and Year: 4.8L\/294 LS 1999-03","Engine Size and Year: 5.3L\/325 LS 1999-03","Engine Size and Year: 5.7L\/350 LS 1997-03","Engine Size and Year: 6.0L\/364 LS 1999-03","Fastener Finish: Black oxide","Fastener Material: Chromoly","Fastener Style: Bolt","Gen III","Head Bolt","Head Style: Hex","LS","Make: Chevy","Quantity: Sold as a kit.","Undercut Stud: No","Washers Included: Yes"],"price":19699,"price_min":19699,"price_max":19699,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32666473889870,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ARP134-3609","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ARP 134-3609 LS SBC Head Bolt Kit","public_title":null,"options":["Default Title"],"price":19699,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"672036023300","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/134-3609Cover.jpg?v=1670018027","\/\/www.winnerscircle.com\/cdn\/shop\/products\/ARP134-3609_bb6b8c9f-96c5-47e5-b0ea-8cb83214a087.jpg?v=1670018027"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/134-3609Cover.jpg?v=1670018027","options":["Title"],"media":[{"alt":null,"id":31551562973409,"position":1,"preview_image":{"aspect_ratio":0.996,"height":1829,"width":1822,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/134-3609Cover.jpg?v=1670018027"},"aspect_ratio":0.996,"height":1829,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/134-3609Cover.jpg?v=1670018027","width":1822},{"alt":"ARP 134-3609 LS SBC Gen III Cylinder Head Bolt High Performance Kit, 190,000 PSI, Hex Head. Two Lengths, includes hardened washers","id":8031900401742,"position":2,"preview_image":{"aspect_ratio":1.5,"height":1000,"width":1500,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/ARP134-3609_bb6b8c9f-96c5-47e5-b0ea-8cb83214a087.jpg?v=1670018027"},"aspect_ratio":1.5,"height":1000,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/ARP134-3609_bb6b8c9f-96c5-47e5-b0ea-8cb83214a087.jpg?v=1670018027","width":1500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eThis ARP 134-3609 LS SBC Gen III High Performance cylinder head bolt kit comes with a reduced wrenching hex head. This eliminates the need for valve train removal to facilitate cylinder head retorquing. These High Performance Series bolts are 190,000 psi (which is 15% stronger than Grade 8)! Kits come complete with hardened parallel-ground washers. Sold as a set of 30.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-outline-level: 3;\"\u003e\u003cstrong\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eARP 134-3609 LS SBC Head Bolt Kit Features:\u003c\/span\u003e\u003c\/u\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eFits LS Gen III 2003 \u0026amp; Earlier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eTwo Lengths\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003eHex Head\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list .5in;\"\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003e8740 - 190,000 PSI\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eWhich is better, cylinder head studs or bolts? The answer depends on the installation. On many street-driven vehicles, master cylinders and other items protrude into the engine compartment. It’s probably necessary to use head bolts so the cylinder heads can be removed with the engine in the car.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eThe ARP 134-3609 LS SBC Head Bolt Kit is perfect for that application!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eStuds also provide more accurate and consistent torque loading. Using studs ensures easier engine assembly, and proper alignment of both the cylinder head and gasket.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eHere’s why: when you use bolts to secure the head, the fastener is actually being “twisted” while it’s being torqued to the proper reading. Accordingly, the bolt is reacting to two different forces simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eInstall a stud in a “relaxed” mode – never crank it in tightly using a jammed nut. Always install the stud hand tight! Then, when applying torque to the nut, the stud will stretch only on the vertical axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cspan style=\"font-size: 12.0pt; font-family: 'Times New Roman',serif; mso-fareast-font-family: 'Times New Roman';\"\u003eRemember, an undercut shorter stud will have a rate similar to a longer, standard shank stud. This provides a more even clamping force on the head. \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003eBecause the head gasket may compress,\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 16px;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman', serif; font-size: 12pt;\"\u003echeck with your gasket manufacturer for retorquing requirements.\u003c\/span\u003e\u003c\/p\u003e"}