Feuling Motor Company Feuling Endurance Beehive Valve Spring Kit With Retainers

Feuling Endurance Beehive valve springs are a direct bolt in replacement up to 565 lift camshafts no spring seat machining required. Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex finish to give these valve springs the needed fatigue life to exceed the high demands of V-Twin engines from stock to performance. The Titanium retainers are 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, but these springs can be used with the factory retainers also.

• Eliminate valve spring separation, maximize stability, reduce valve-train noise & harmonics

• Don’t get stung by inferior valve springs

• Quicker revving

• Smoother motion

• Bolt in up to 650 Lift

Kits include valve springs, optional 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.