426 or 440 engine wanted

[spanks23]

i have a stock 2001 400ex engine, looking to trade with cash for either a 426 or a 440. anyone parting out, let me know, possible buy straight out.

[440bigborekit]

you dont chnge the whole motor you get it bored out to a 426 or 440 at a shop the do it to your stock motor it cost anywhere from 1000-3000 depending on what you want done.