These Wave-Loc High Performance connecting rod bolts are manufactured from a premium grade 8740 alloy chrome moly steel that has been heat-treated to provide a tensile strength in the 200,000 psi range. Complete set includes the bolts you need to upgrade all of the connecting rods in your engine The bolts still fit snugly, but without the sharp edges and enormous stress risers that promote failure in knurled bolts. ARP - Pro Series Rod Bolt Set - 383-440 - Mancini Racing ARP-154-6402 ; Fastener Tensile Strength (psi):. 200,000 psi ; Connecting Rod Bolt Material: 8740 chromoly steel ; Nuts Included: Yes ; Wrench Diameter: 1/2 in With alternating tension loads and cyclic bending of the bolts, fasteners that aren't up to the task can break and cause catastrophic engine failure. That is why it is very important to install high quality fasteners that are able to exert a clamping force greater than the load imposed upon the joint. Rated in the 200,000 psi range, which is considerably stronger than OEM or even Grade 8 hardware Your engine's rod bolts are subjected to amazing stresses as they support the primary tension loads caused by each rotation of the crankshaft. Connecting rod bolts are the most important fasteners in your engine, the key to the entire rotating assembly; replacing inferior OEM fasteners can help you avoid catastrophic engine failure Made from tough 8740 chromoly steel (rated at 190,000 psi), these bolts have the Wave Loc symmetrical wave design that eliminates sharp notches and guarantees cap alignment Exclusive Wave-Loc design is far superior to standard knurls ARP Connecting Rod Bolts ARP 250-6404 Connecting Rod Bolt Kit Arp2000 Ford For Sale Online High Performance Engine Fasteners
