Part Description
Endurance Beehive® Valve Spring Kit- 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.Uses factory stock steel retainers."