They are made of high quality reinforced steal reducing sprung mass and creating a faster reving engine.
When build in a tuning cam in your engine, we recommend the use of this springs.
Schrickno.: 16x 001302026 + 16x 001302062
Please also replace lifters to new ones!
(The picture showes the G60 valve springs)
We recommend the use of Torco assembly grease: