Spring Kit - .540" - M8

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..