J jnj4fords New Member Mar 29, 2006 #1 hi i pulled a cam from a engine block it had 390 in yellow marker on the front. but there are numbers on the back that read 900831 then above that it looks like K1801 was wondering if it is aftermarket or stock thanks
hi i pulled a cam from a engine block it had 390 in yellow marker on the front. but there are numbers on the back that read 900831 then above that it looks like K1801 was wondering if it is aftermarket or stock thanks
