Required for certain Catcam profiles or those looking to use higher lift cams or safely increase RPM without valve float (bounce).
Also provided is lighter weight spring retainers to suit the springs as OEM retainers are not compatible with them.
Used with OEM collets.
16 - Outer Springs
16 - Inner Springs
16 - Alloy Spring Retainers
>*PLEASE NOTE - We attempt to hold In stock some popular Catcam products, but some items can have a lead time of approx 3-4 weeks, we will update you once we receive your order. Otherwise, please contact us before ordering to confirm delivery time*