COMP Cams® Beehive™ Valve Spring Kits for flat tappet GM Vortec heads allow .510” of lift, providing higher spring rates for more aggressive cam lobe profiles.

Features & Benefits:
• .510” Valve lift capability
• Kits include Beehive Valve Springs, chromemoly steel retainers, valve seals, and valve locks
and retainers
• No machining required
• Beehive Valve spring upgrade provides increased stability and RPM through increased dynamic control