I use the STP full valve treatment in my 99 integra gsr. i am going to be running stainless steel valves and forged 12.5:1 JE pistons soon. My question is, is it safe to run the STP valve treatment trough my motor with ss vales and forged high compression pistons? or should i stay away from it? any help would be great.
STP vavlve treatment?
- Thread starter TodaTeg
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