most turbos are designed to go about 130k rpm, probably not a range it would see with no load revving. but definately attainable if he is driving around trying to goose it through gears.
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El Pendejo Loco
2002 Suzuki Hayabusa
1507 "dry" block
Brocks megaphone
Spencercycle 10" swingarm
MPS auto shifter
Hays convertible clutch
Yea, that about sums it up...