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Your cart is empty.This listing is for a brand new set of 16 hardened rocker arm balls and lock nuts from Elgin Industries for common SBC Chevy 400 350 327 305 283. Set comes with 16 balls and 16 nuts. They are heat treated and grooved for improved oiling to the rocker arm. Fits stock size 3/8" rocker studs
Chris barber
Reviewed in the United States on March 24, 2023
They worked for the job. One of the nuts must of been pinched to tight where they start to lock. As it hit the taper it bound up and pulled threads taking it off on a brand new arp stud.
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