March 28, 2024, 04:25:48 AM

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heads

Started by 55reaper, January 26, 2017, 06:09:17 PM

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55reaper

cleaning my heads and noticed some numbers (621 901 271) on the flange were the pan cover screws to any idea what refer to

Speeding Big Twin

I notice you have this question on at least two other forums. Good idea. Could it be a social security number?
Eric