Kibblewhite valves

[patrick97war]

ok so im looking at kibblewhite valves but why do the have to differnt size for the intake head die 40.00mm and 41.00mm ?????:loco: what one do i need ?

 

[MidwayUSA]

40mm is stock and 41mm is oversize and you would have to have the head machined to get it to fit.

 

[patrick97war]

thank you yeah thats what i wanted to know what one was stock