1107 Endurance Beehive Valve Spring Kit Harley Davidson FLDE 1750 2018 2020

Features: 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..