ARP 2017 Catalog r3

98 800-826-3045 Red part numbers indicate new items NASCAR SPECIALTIES Description OAL Coarse Thread Length Fine Thread Length Part No. 7/16 stud 5.000 1.000 1.000 300-0501 7/16 stud 5.250 1.000 1.000 300-0502 Application Pieces OAL Part No. Standard, drilled for NASCAR wire seal 4 1.700 300-2401 Standard with Moroso #64919 return spring kit 4 1.700 (2) & 2.050 (2) 300-2421 Standard with Moroso #64927 return spring kit 4 1.700 (3) & 2.050 (1) 300-2424 1/2˝ spacer, drilled for NASCAR wire seal 4 2.225 300-2402 1˝ spacer, drilled for NASCAR wire seal 4 2.700 300-2403 2˝ spacer, drilled for NASCAR wire seal 4 3.700 300-2404 2˝ spacer, drilled for NASCAR wire seal 8 1.700 (7) & 2.225 (1) 300-2406 1˝ Moroso spacer, drilled for NASCAR wire seal 4 2.700 300-2407 1˝ spacer with Moroso #64919 return spring kit 4 1.700 (2) & 2.050 (2) 300-2420 1˝ spacer with Moroso #64927 return spring kit 4 1.700 (3) & 2.050 (1) 300-2423 1-1/4˝ Moroso spacer, drilled for NASCAR wire seal 4 3.200 300-2408 2˝ Moroso spacer, drilled for NASCAR wire seal 8 1.250* (4) & 1.700 (1) & 1.700 (3) 300-2409 2˝ Moroso spacer with Moroso #64919 return spring kit 8 1.250* (4) & 1.700 (2) & 2.050 (2) 300-2419 2˝ Moroso spacer with Moroso #64927 return spring kit 8 1.250* (4) & 1.700 (3) & 2.050 (1) 300-2422 Diameter Length Thread Length Socket Size Head Style Part No. CHEVROLET 7/16 6.000 1.100 1/2 12-point 330-0701 1/2 6.000 1.100 9/16 12-point 330-0702 7/16 6.250 1.150 9/16 12-point 330-0703 1/2 4.000 0.750 15/16 Hex 330-0704 1/2 4.000 0.625 15/16 Hex 330-0705 1/2 3.750 0.625 15/16 Hex 330-0706 1/2 3.250 0.750 15/16 Hex 330-0707 7/16 5.000 1.000 1/2 12-point 330-0708 7/16 5.500 1.000 1/2 12-point 330-0709 FORD 5/8 8.000 1.100 15/16 Hex 350-0701 5/8 8.375 1.000 15/16 Hex 350-0702 5/8 7.000 1.000 15/16 Hex 350-0703 DRILLED CARB STUDS Strange as it may seem, there have been many races lost in oval track, off-road and endurance competition due to the OEM alternator stud failing and the subsequent loss of electrical power. To prevent this from ever happening, conscientious engine builders rely on ARP’s “bulletproof” alternator studs. They’re made from a premium grade 8740 chrome moly steel alloy and heat treated to a nominal 190,000 psi tensile strength. They are very rigid and won’t bend under the stress of competition, eliminating problems with alternator pulley alignment. Here’s more reliable “insurance” from the innovators at ARP. Available in 5.000˝ and 5.250˝ lengths. Includes a 12-point nut and flat washer. ALTERNATOR STUDS Get maximum reliability through the use of ARP’s rugged 8740 chrome moly steel front mandrel bolts. They’re undercut to provide the required stretch, shot-peened for extra durability and designed for full thread engagement. Nominally rated at 190,000 psi tensile strength for durability you can count on! Available for GM and Ford applications. FRONT MANDREL BOLTS *Does not have nut starter nose The best way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARP’s carb studs, which feature J-form threads to resist loosening from vibration. They’re offered in a variety of heights to accommodate most any combination of carb and spacer, and are available in 8740 chrome moly with a black oxide finish. Special NASCAR type studs have one of the studs drilled to facilitate sealing the carb by race officials. All carb studs include a nut starter nose (except where noted) and kits come with hex nuts and washers.

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