HEADS UP!!!

Site upgrade in progress... Core site functions are working, but some non-critical features/functions will be temporarily unavailable while we work to restore them over the next couple of weeks.

Please post any bugs you encounter, but before you do, check to see if it's already listed.

Thanks for your patience while we work to improve the community.

Sign in to follow this  
Followers 0
Goonyz400f

400>426>426 big bore

4 posts in this topic

With a 426 rod, yes-provided the kit comes with a new cylinder

A bore In kit probably wouldn't work-the 400 cylinder walls are fairly thin

Share this post


Link to post
Share on other sites

Most kits are 3mm overbores to 95mm, which makes it a 426.  You can also do the same thing by using a 426 piston and cylinder, rebuilding the crank with a 426 rod, or by using a 426 cylinder, and a piston from an '03-'09 450.  It's a lot of work for a 6.5% increase in displacement.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now
Sign in to follow this  
Followers 0