When your RPM racing needs exceeds 6000RPM you should step up to dual valve springs. As with all our valve springs, they are hand checked and magnafluxed for top quality. Features .162 outers and will lift to .550. Stop that valve float with the best valve springs on the market! The valve guide boss must be cut to install all dual spring kits.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.
Set of 8