400ex 426 or 450 stroker????

[hondadog]

I bought a 99' 400ex w/ a gt thunder 426 kit and a 450 stroker....is this considered a 426cc or a 450cc????

[81 clark racing]

if im understanding what ur saying it was bored to a 426 then a for 450? so in that case its a 450. i never heard of 450 tho ive heard of 440 an 465

[sneaky11]

u running a 88mm 426cc bore? With a stroker kit? Donno how much cc that done... but it's more than a 426 for sure