8" Harmonic Balancer 2224 Dated F D 3 Casting # 3942538
Dated April of 73
1.50" thickness
Most likely used on 70-74 LT-1 and Z28
Threaded holes are not buggered
Pulley mounting surface has not been beat up with a hammer
Mike Munro
518-526-3379
Last edited by hotrods8; 08-24-2025 at 12:37 PM.
Reason: Corrected casting number
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