These Oversize Valve Seat Inserts are specially sized for Harley-Davidson. They are designed to effectively dissipate heat for consistent valve sealing. Each seat insert has a radiused edge for easy installation and they will harden during engine break-in. Some Machining is required.
Kibblewhite/AV&V Crossover
10-HC414 / HVS-1630
10-HC447 / HVS-1757
10-HC478 / HVS-1882
10-HC510 / HVS-2008
10-HC518 / HVS-2040
10-HC526 / HVS-2070
10-HC541 / HVS-2132
10-HC549 / HVS-2163