Comp. 918s w/stock retainers?
#6
11 Second Club
Originally Posted by 777
I'd always recomend ti retainers just for the loss in weight, but the stock ones will work.
You are doing this for the control, so the lighter your valvetrain is the better. Ti retainers aren't very expensive, especially if you just grab a spring "kit" and ESPECIALLY compared to what a proper turbo setup costs. Personally I'd go ahead and get them.