Description

• Product

• • Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen™ polish
  • Uses a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion
  • Designed to handle the highest demands of performance engines with high-lift, steep-ramped camshafts
  • Allows up to 0.750″ lift cams; no rocker box clearing required
  • Features extremely high level of fatigue life
  • Dyno proven and track tested
  • Kit includes High-Load BeeHive® valve springs, lightweight 10° Titanium retainers manufactured from Ti-17 alloy and micropolished for enhanced fatigue life, machined heat-treated chromoly spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with spring-loaded valve stem wiper system
  • Made in the USA

  Seat lb/installed height:

  • 170 lb at 1.935″ (0.720″ lift)
  • 185 lb at 1.900″ (0.685″ lift)
  • 200 lb at 1.845″ (0.630″ lift)
  • 208 lb at 1.819″ (0.604″ lift)
  • 215 lb at 1.800″ (0.585″ lift)
  • 217 lb at 1.789″ (0.574″ lift)
  • 415 lb at 1.215″ open height
  • Coil bind at 1.125″

  Notes

  • Valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs.
  • Feuling® BeeHive® valve spring kit is direct replacement with no machining or rocker box clearance required. Up to .574″ lift for ’84-’04 Big Twin and ’86-’03 XL and up to .700″ lift for ’05-’17 Twin Cam. Larger camshafts require valve guide machining for seal-to-retainer clearance.