Feuling Parts Endurance Beehive Valve Spring Kit

Highlights

• Direct bolt-in replacements, no machining or rocker box clearancing required.
• Machined from premiun-grade high tensile chrome silicon single-conical ovate wire.
• Shot-preened with specially processed thermal heat treat and super NexTex finish for fatigue life needed to exceed high demands in V-Twin engines.
• Kit includes Endurance Beehive valve springs, with or without titanium retainers (as noted), machined spring seats, seat shims, valve locks and Viton valve seals.
• Made in the USA.
• Up to 0.565" lift.
• Seat lb / installed height:.
• 134 lb @ 1.375" (0.405" lift).
• 127 lb @ 1.405" (0.435" lift).
• 125 lb @ 1.415" (0.445" lift).
• 121 lb @ 1.435" (0.465 lift).
• 116 lb @ 1.455" (0.485" lift).
• 113 lb @ 1.470" (0.500" lift).
• 109 lb @ 1.490" (0.520" lift).
• 103 lb @ 1.520" (0.550" lift).
• 226 lb @ 0.970" Open Height.
• Coil Bind @ 0.920".
• Cam specs measured on the lifter @ 0.050 lift with 1.61 rocker arm ratio.
• Fits stock 6.00 mm valve stems with triple groove.