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OUbesto · 06-10-2018, 10:03 PM

I have a 1970 402 and was changing the valve covers gaskets when I saw these odd shaped holes in my header. Are these normal?

06-10-2018, 10:03 PM	#1
OUbesto Registered User Join Date: Oct 2015 Location: Lincolnshire, IL / Burlington, WI Posts: 209	Are these odd shaped holes in my headers normal? I have a 1970 402 and was changing the valve covers gaskets when I saw these odd shaped holes in my header. Are these normal? Attached Images __________________ 1970 C-10 CST, LWB, 402/400, A/C