Water jet engine boat intake exhaust valve jet ski performance parts for pwc sea doo motor tubo jet engine rotax 1630 racing
Item | customized Titanium valve spring retainers |
Materials | GR5 GRADE5 Ti6AL4V Titanium |
Sizes | customized sizes diameter, degree hardness surface |
Function | increase horsepower for cars , motorcycles, pwc, snowski etc engine performance. |