2019 ARP Catalog

31 Red part numbers indicate new items 800-826-3045 ROD BOLTS ➊ ➐ ➏ ➎ ➍ ➌ ➋ MATERIALS USED IN THE MANUFACTURE OF CAP SCREW TYPE CONNECTING ROD BOLTS GENERAL REPLACEMENT ROD BOLT KITS Please contact the rod manufacturer for the appropriate stretch/torque values and installation instructions. * NOTE: the Grip Length in undercut bolts is the distance from the head to the start of the undercut. ➊ Thread Size (in.) ➋ UHL (in.) ➌ Thread Length (in.) ➍ Grip Length* (in.) ➎ Head Height (in.) ➏ Wrench Size (in.) ➐ Collar Diameter (in.) Material Set Qty Complete Set 2-Piece Pack 1/4 1.400 0.530 0.225 0.325 5/16 0.433 ARP3.5 8 300-6609 l 300-6629 l 1.400 0.530 0.225 0.325 5/16 0.433 Custom Age 625+ 8 300-6709 l 300-6729 l 5/16 1.500 0.550 0.150 0.348 3/8 0.526 ARP2000 8 200-6210 l 200-6220 l 1.500 0.550 0.150 0.348 3/8 0.526 ARP3.5 8 300-6608 l 300-6628 l 1.500 0.550 0.150 0.348 3/8 0.526 Custom Age 625+ 8 300-6708 l 300-6728 l 3/8 1.500 0.550 0.100 0.388 7/16 0.555 ARP2000 8 200-6207 s 200-6227 s 1.500 0.550 0.145 0.388 7/16 0.555 Custom Age 625+ 8 300-6704 l 300-6724 l 1.600 0.600 0.145 0.388 7/16 0.555 ARP2000 8 200-6209 s 200-6219 s 1.600 0.600 0.145 0.365 7/16 0.565 ARP3.5 16 300-6602 s 300-6622 s 1.600 0.600 0.145 0.365 7/16 0.565 Custom Age 625+ 16 300-6702 s 300-6722 s 1.600 0.600 0.145 0.365 7/16 0.565 ARP3.5 8 300-6603 s 300-6623 s 1.600 0.600 0.145 0.365 7/16 0.565 Custom Age 625+ 8 300-6703 s 300-6723 s 1.750 0.560 0.150 0.388 7/16 0.555 ARP2000 8 200-6208 s 200-6228 s 7/16 1.600 0.600 0.200 0.388 7/16 0.644 8740 16 200-6006 l 200-6026 l 1.725 0.650 0.300 0.380 1/2 0.655 L19 16 200-6203 200-6223 1.725 0.650 0.300 0.388 1/2 0.655 ARP2000 16 200-6205 l 200-6225 l 1.750 0.660 0.350 0.360 1/2 0.635 Custom Age 625+ 16 300-6701 l 300-6721 l 1.750 0.660 0.350 0.435 1/2 0.745 ARP3.5 16 300-6601 l 300-6621 l 1.800 1.050 0.750 0.388 7/16 0.644 8740 16 200-6001 l 200-6021 l 1.800 1.000 0.300 0.360 7/16 0.644 8740 16 200-6002 l 200-6022 l 1.800 0.700 0.200 0.388 7/16 0.644 8740 16 200-6003 l 200-6023 l 1.800 0.800 0.300 0.380 1/2 0.655 ARP2000 16 200-6202 l 200-6222 l 1.800 0.800 0.300 0.380 1/2 0.655 ARP2000 16 200-6204 l 200-6224 l 1.850 0.740 0.200 0.388 7/16 0.644 ARP2000 16 200-6201 l 200-6221 l 2.000 1.000 0.300 0.435 1/2 0.745 ARP2000 16 200-6206 l 200-6226 l 2.000 1.000 0.300 0.435 1/2 0.745 L19 16 200-6506 l 200-6526 l 2.000 1.000 0.300 0.435 1/2 0.745 Custom Age 625+ 16 300-6706 l 300-6726 l 2.000 1.250 0.750 0.388 7/16 0.644 8740 16 200-6004 l 200-6024 l 8740 CHROME MOLY: Until the development of today’s modern alloys, chrome moly was popularly considered a high strength materi- al. Now viewed as only moderate strength, 8740 chrome moly is seen as a good tough steel, with adequate fatigue properties for most racing applications, but only if the threads are rolled after heat-treatment, as is the standard ARP production practice. Typically, chrome moly is classified as a quench and temper steel, that can be heat-treated to deliver tensile strengths between 180,000 and 200,000 psi. ARP2000 ® : ARP2000 is an alloy steel that can be safely heat treated to a higher level, producing a greater strength material than 8740. While 8740 and ARP2000 share similar characteristics – ARP2000 is capable of achieving a clamp load at 220,000 psi. ARP2000 is used widely in short track and drag racing as an up-grade from 8740 chrome moly in both steel and aluminum rods. Stress corrosion and hydrogen embrittlement are typically not a problem, providing care is taken to keep the parts well-oiled and not exposed to moisture. L19 ® : This is a premium steel that is processed to deliver superior strength and fatigue properties. L19 is a very high strength material compared to 8740 and ARP2000 and is capable of delivering a clamp load at 260,000 psi. It is primarily used in short track and drag racing applications where inertia loads exceed the clamping capability of ARP2000. Like most high strength, quench and temper steels – L19 requires special care to avoid hydrogen embrittlement. This material is easily contaminated and subject to stress corrosion. It must be kept well-oiled and not exposed to moisture. ARP3.5 ® (AMS5844): While similar to Inconel 718, these super-al- loys are found in many jet engine and aerospace applications where heat and stress attack the life of critical components. The high cobalt content of this alloy, while expensive, delivers a material with superior fatigue characteristics and typically tensile strength in the 260,000- 280,000 psi range. The immunity to hydrogen embrittlement and corrosion of these materials is a significant design consideration. These materials are primarily used in connecting rods where extreme- ly high loads, high RPM and endurance are important factors – Formula 1, NASCAR and IRL applications. CUSTOM AGE 625 PLUS ® : This newly formulated super-al- loy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Best of all it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field. Typical tensile strength is 260,000-280,000 psi. WARNING: Cancer www.P65Warnings.ca.gov. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. s l

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