Kibblewhite KPM-20-21550 Beehive Valve Spring Kit for Harley-Davidson Twin Cam 05-17/Sportster 04-21 Beehive Springs w/0.660" Lift • Premium cowhide and full

• Premium cowhide and full flow mesh

• For Slash Billet replacement end caps order H43-199

HD# 72106-94BK)

NTRB-B01: 5-Pack of replacement boots

• Add for a complete rear bag bike set

Kibblewhite KPM-20-21550 Beehive Valve Spring Kit for Harley-Davidson Twin Cam 05-17/Sportster 04-21 Beehive Springs w/0.660" Lift • Premium cowhide and fullBy taking advantage of the latest development in valve spring wire chemistry and manufacturing techniques, KPMI has developed ovate wire Beehive style springs that will live and perform at a high level in Harley Davidson applications. By coupling these developments with strict KPMI design protocols and employing multiple design, simulation, and FEA analysis software, we were we able to overcome the torsional stresses unique to ovate wire springs that