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GM LS Beehive Valve Spring Kit w/ Tool Steel Retainers, .625" Max Lift; Including properly matched quality dual valve springs, 7 degree locks, viton seals, hardened seats and lightweight tool steel retainers, this spring kit is ready to bolt onto LS heads with aggressive cams with up to .625" valve lift.

Drop-In Valve Spring Kit for Magnum 5.2L / 5.9L Heads with .500" Max Lift; COMP Cams Magnum 5.2L/5.9L Drop-in Valve Spring Kit allows up to .500" lift for aggressive lobe profiles. The kit includes beehive valve springs, retainers, and Metal-body Viton valve Seals while using stock valve locks.

SPRING KIT, GM L31 VORTEC CYLINDER HEAD, .510" MAX LIFT, FLAT TAPPET; Complete .510" max lift, drop-in valve spring kit for GM L31 Vortec Cylinder Heads