Open as in how "open?"
What size carb, cam, ratio rockers, what size valves?
You don't just pick a pipe out of an online catalog without considering the rest of your build. These parts all have to work together.
We have pipes built just for our 390 opens...they may or may not work for your build.
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?Thanks and God bless,
Brian Carlson
Carlson Racing Engines
Vector Cut
z
www.CarlsonMotorsports.com
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30 years of service to the karting industry
Linden, IN
765-339-4407
bcarlson@CarlsonMotorsports.com