new be 07 trx 450 er

[toolmaker]

would like to install a hot cam stage 2 in my 450. would like to know if the stock springs will hold up, long term. if not what spring will i need. also going to the 477 kit. i have open air box with k&n filter carb re jeted and power bomb with lexx muffler bike runs fine thank you

[joeylowthers450R]

stock springs are fine for all the hotcams, they are fairly easy on valve trains

[toolmaker]

thank you for the cam info joeylowthers450r

[mud99]

Welcome to the forums.