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how to tell if valves are stainless or titainium

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i need to order new springs for my new pro circuit cam , and i was told from prev owner he did a valve job , how can i tell if the valves are stainless steel , or titainium , i have the head off now , valves where not bad so i dont want to change them , just need to order the correct springs

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The easist way would be to take a wire brush to the combustion chamber. The intakes would be bright silver. The coating on the Ti stuff typically makes it brown/black.

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Yes, exhaust valves are all steel.

Edited by nzgsr

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The previous owner could have installed titanium exhaust valves, but that's unlikely...

Edited by Eddie8v

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 a magnet will tell you if they are steel or not???

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That depends on the type of stainless steel.

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Yeah - the previous couple of replies were referring to steel that is what I was referring to.

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both valves are kibble white , black diamond , once I pulled them out they were marked on the stems all looked brand new cond thankfully , I have no idea what springs were on it but they were very soft , about the only spring kit available is the dual spring kibbles at 150 on ebay  so that's what I ordered I just couldn't justify the pro circuit kit at 350+ bucks

got a whole oem  topend kit for 147 delivered. and the pro circuit cam  for 150.00 (ebay)

man ,I love the simplicity and cost of rebuilding my 2t's

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these valve are not magnetic,the previous owner appeared to use stock springs are something close , I put the new kibble white spring kit in and they are much stiffer, my old cam had twisted making the bike run bad ,probably erom over-reving floating the valves so thats why im doing this i would have just used another stk cam , but a while back i ran across a new pro circuit cam real cheap so i ended up with it, I know there is no ride reports with this cam , so when we ride it this weekend i will throw a ride report up

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I heard that too, i really wanted the xceldene's but they dont offer a full kit everything is sold sepratly and there not listing the parts on there web site anymore , I didnt want to spend anymore time making sure all the parts I needed were correct wherever I was going to sorce them from. At least kibble supplyed all the specs, installed spring hight ;max cam lift ,bind specs etc .

I do know they said they stiffened the springs recently when they started calling it lightweight spring kit? I don't know .... its together and running , how did I do time wise , from tear down to back together 6 hrs , new piston, cam , shimed ,timed , and assembled.

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Bad part is my 14 yr old son has his sights set on it ,i spend the money and time in the garage , and he will be the one riding it.doesn't seem fair

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