• For Twin Cam Screamin Eagle heads
• Premium-grade hi-tensile chrome silicon single conical ovate wire springs are shot-peened with specially processed thermal heat treat and super NexTex finish for fatigue life needed to exceed high demands of V-Twin engines
• To reduce valve weight and create quicker rev and smoother motion, these springs use a smaller and lighter weight retainer
• Direct bolt-in replacement for up to .650 in. cam lift; machining or rocker box clearancing not required
• Available for 5/16 in. valve stem and keeper groove with .530 in. diameter valve guides
• Each kit includes Endurance BeeHive valve springs, lightweight 7 degree super Titanium heat-treated retainers, machined spring seats, seat shims, valve locks and a set of premium valve seals equipped with spring loaded valve stem wiper system
• Spring pressures are
• 200 lbs. @ 1.635" (.535" lift)
• 195 lbs. @ 1.653" (.553" lift)
• 188 lbs. @ 1.674" (.574" lift)
• 179 lbs. @ 1.704" (.604" lift)
• 171 lbs. @ 1.730" (.630" lift)
• 165 lbs. @ 1.750" (.650" lift)
• 402 lbs. @ 1.100" OPEN HEIGHT
• and coil bind at 1.045"
• Made in the U.S.A.

Included Items:
(4) Springs
(4) Valve seals
(4) Top spring retainers
(4) Bottom spring retainers
(4) Flat washers
(4) Thrust washers
(4) Valve keepers (8 halves)
(2) Latex gloves