Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - sbc harmonic balancer. need guidance.
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Old 05-05-2013, 12:43 AM
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It has been a long time, but I think those nubs are rivets that held the belt pulley to the damper on some early 265 and 283 motors. Take a look.....
Damper Doctor Online: CHEVY 265/283 C.I.
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