135 WARNING: Cancer and Reproductive Harm - www P65Warnings ca gov s l California Residents WARNING: Cancer www P65Warnings ca gov CIRCLE TRACK Application Pieces OAL Part No. Standard, drilled for NASCAR wire seal 4 1 700 300-2401 l Standard with Moroso #64919 return spring kit 4 1 700 (2) & 2 050 (2) 300-2421 l Standard with Moroso #64927 return spring kit 4 1 700 (3) & 2 050 (1) 300-2424 l 1/2˝ spacer, drilled for NASCAR wire seal 4 2 225 300-2402 l 1˝ spacer, drilled for NASCAR wire seal 4 2 700 300-2403 l 2˝ spacer, drilled for NASCAR wire seal 4 3 700 300-2404 l 2˝ spacer, drilled for NASCAR wire seal 8 1 700 (7) & 2 225 (1) 300-2406 l 1˝ Moroso spacer, drilled for NASCAR wire seal 4 2 700 300-2407 l 1˝ spacer with Moroso #64919 return spring kit 4 1 700 (2) & 2 050 (2) 300-2420 l 1˝ spacer with Moroso #64927 return spring kit 4 1 700 (3) & 2 050 (1) 300-2423 l 1-1/4˝ Moroso spacer, drilled for NASCAR wire seal 4 3 200 300-2408 l 2˝ Moroso spacer, drilled for NASCAR wire seal 8 1 250* (4) & 1 700 (1) & 1 700 (3) 300-2409 l 2˝ Moroso spacer with Moroso #64919 return spring kit 8 1 250* (4) & 1 700 (2) & 2 050 (2) 300-2419 l 2˝ Moroso spacer with Moroso #64927 return spring kit 8 1 250* (4) & 1 700 (3) & 2 050 (1) 300-2422 l Drilled Carburetor 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 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. Description OAL Coarse Thread Length Fine Thread Length Part No. 7/16 stud 5 000 1 000 1 000 300-0501 s 7/16 stud 5 250 1 000 1 000 300-0502 s *Does not have nut starter nose
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