J head 1.88 vs 2.02
RustyRatRod is probably right, but I got a super deal on 2.02"x11/32"x4.980"
part #HUG 1006E $5 ea) at Hughes Engine's. They are brand new from Edelbrock heads that they resize to 2.05's or something like that. My machinist install them for what I thought was a reasonable price (can't find the invoice right now). At any rate the make your heads more valuable if that is a factor.