OEM or SUPERTECH stem seals


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EK4chris

New Member
Joined
Jan 3, 2012
Messages
173
just thought id get on here and ask to see if oem is better or vise versa or is it down to personal preference, as im building my hi comp engine and ive just ordered the valves so the seals are the only the i need to crack on. thanks for reding.
 
imo none!! supertech says taht their valve steams are for oem spec same for their normal type valves and should not be use for racing engines!! if you are building a high comp engine my opinion is use ferrea i use them for 2 years and still no problem!! but this is jsut my opinion
 
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