COMP CAMS Spring Kit .650″ Twin Cam 9709-KIT

Beehive Valve Spring Kits designed as drop-in performance valve train upgrades, Beehive valve springs deliver a host of well-documented benefits over conventional cylindrical valve springs, Increased rpm capability with no rocker box clearance problems, Designed to work with the limited valve spring installed height of the Harley V-Twin engine, small spring pocket and high-lift cams, Made in the U.S.A.