Features

• FEULING? BEEHIVE? valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual valve springs
• FEULING? endurance springs are a direct bolt-in replacement (Up to 650 cam lift and doesn't require machining or rocker box clearancing)
• Eliminates valve spring separation, maximizes stability, reduces valve-train noise and harmonics
• FEULING? BEEHIVE? valve springs must be installed at the correct open height, matching max lift to the open height spec of the valve springs
• Kit includes FEULING? ENDURACE BEEHIVE? valve springs, lightweight 7? Titanium heat treated retainers, machined spring seats, seat shims, valve locks and a set of premium Viton? valve seals equipped with a spring loaded valve stem wiper system

Specs