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Harmonic Balancer Bolt | 180000 PSI | 4135 Chrome Moly | 5/8 in. Wrench Size | w/Thick Washer | For Pontiac 350-455 | 12 Point | 5/8 in. -18 x 1.58 in. Under Head Length | w/out Logo
Earl's harmonic balancer bolts are made from high quality chrome moly steel with 180,000 PSI rating. The extra-tall 12-point bolt head won't strip or allow the socket to slip-off when turning over the engine. Includes extra thick large diameter washer. Bolt and washer are black oxide coated.
Features:
180,000 PSI Rating
Made from High Strength 4135 Chrome Moly
Black Oxide Coating
5/8" Wrench Size
Extra-Tall 12-Point Bolt Head - Won't Strip or Allow Socket to Slip Off
Large Diameter Extra Thick Washer
Reusable - Not Torque-To-Yield
Harmonic Balancer Bolt w/ Thick Washer, Pontiac 350-455, 12-Point, 5/8" Wrenching, 180,000 PSI, 5/8"-18 x 1.580" Under Head Length
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