Star Racing M8 Valve Spring Kit - PSI Valve Springs up to 640 Lift 2017-2023 M8 Engines ^Sale

M8 Valve Spring Kit - PSI Valve Springs up to 640 Lift, JHE Titanium Retainers exclusive to this new spring design, Trend Billet Steel Triple Groove Locks, Lower Collar with Valve Seal. 
This kit will fit any cam and any triple groove valve.
STC-640SK

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unless noted otherwise all products on this website are sold as follows:
“FOR CLOSED COURSE COMPETITION USE ONLY. NOT
INTENDED FOR STREET USE. THE MANUFACTURE, SALE,
OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY
ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL
CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))