where

[400EX QUADER]

where do I get larger valves for my 400ex and where do I get a crf450 timing chain?
thanx

[ride_red666]

try going to a honda shop and find out how much they want for the parts.

[Franky G]

Kibblewhite Precision Machining, Inc

http://www.blackdiamondvalves.com/

[400EX QUADER]

that helped... how will larger valves help my performance? and in what way/how much? anything else i will need besides just the valves themselves.
thanx