{"product_id":"head-bolt-kit-arp-135-3711","title":"Head Bolt Kit ARP (135-3711)","description":"\u003cp\u003eChevy BB Mark IV or Mark V block with Delbruck heads 77609, 77659, 7760, 7765.\u003c\/p\u003e\u003cp\u003eThe ARP 135-3711 12 Point Head, High Performance Cylinder head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retouring.\u003c\/p\u003e\u003cp\u003eHigh Performance Series bolts are rated at 180,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.\u003c\/p\u003e\u003cp\u003eAll Pro Series bolts are cold-forged to ensure molecular integrity, heat-treated prior to thread rolling and machining, and are rated nominally at 200,000 psi.\u003c\/p\u003e\u003cp\u003eARP Pro Series head bolt kits are designed for use with typically competition only components.\u003c\/p\u003e\u003cp\u003eThese fasteners deliver superior strength and meet the ARP \u0026amp; defect ‐ ZERO failure quality standard.\u003c\/p\u003e\u003cp\u003eHardened and parallel-ground washers are included with each kit to ensure even load distribution and accurate torque readings.\u003c\/p\u003e\u003cp\u003eAll Pro Series head bolts have a reduced wrenching hex or 12-point head and wide area flange to eliminate the need for valve train removal for cylinder head retouring and permits the use of larger diameter valve springs.\u003c\/p\u003e\u003cp\u003eMost applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets.\u003c\/p\u003e","brand":"ARP Inc.","offers":[{"title":"Default Title","offer_id":51709092167962,"sku":"ARP135-3711","price":190.73,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/31bPh1GEXyL_98f26ae4-9e19-4b66-ba5d-ad1640812d86.jpg?v=1771332514","url":"https:\/\/trybeepbeep.com\/products\/head-bolt-kit-arp-135-3711","provider":"TryBeepbeep","version":"1.0","type":"link"}