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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, Chevy Small Block 283-400, 12-Point, 5/8" Wrenching, 180,000 PSI, 7/16"-20 x 2.470" Under Head Length
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