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the wrist pins are free . they come with your new oversize pistons ;)

i'm assuming you're not going to do the guide replacement or valve grinding yourself , so i'd recommend having your machinist check out your components .

some things slightly out of tolerance can mean maybe a little loss of performance while others can mean catastrophic failure .

check out they carry the black diamond valves if you find you need new ones .

cheers , Woody
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