Developed for the performance enthusiast that wants the best the industry has to offer, These kits are are second to none in terms of performance, quality and value.
There are three options to choose from depending on your usage:
Single spring - 8000rpm
Light double spring - 8400rpm
Heavy double spring - revs to 9000rpm
- 16 springs (32 for double spring)
- 16 titanium retainers
- 16 spring seats - steel
NOTICE: NA valves will require the use of valve keepers from a NB engine (not included). You can purchase the upgraded keepers from our store.