Quote:
Originally Posted by Shane55113
The exhaust valves are filled with sodium to help dissipate heat faster and are drop in, as far as i know the intake valves are just regular valves and have the same part no as oe 1g valves. you can also use the evo rockers and springs and aluminum retainers.
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I heard the evo rockers are lighter and some say they are heavier? Which is correct?