sparks key

[fmf400ex03]

heard about this key from sparks dont know much about it all i know is that its for stock machines.....was woundering how much its noticed i have a pipe and jets so can i still run it ect?????? so basically what are the ups to it and what are the downs and will it rip

[ewalker302]

You started the same thread 12 hours ago?

Go to search this forum at the bottom of the Powertrain forum page and type in:

"sparks advance"

:bandit: