3 corner cut as original seat. 1pcARBOR ROD. 30 degrees + 90 degrees.
Time-Sert 0381F 3/8-16 Harley Davidson Head Bolt Kit - FREE SHIPPING!
Time-Sert 0381D 3/8-16 Harley Davidson Head Bolt Kit - FREE SHIPPING!
Time-Sert 038190 3/8-16 x .900 Inch Harley Davidson Head Bolt Insert - 10 Pack
Time-Sert 03810 3/8-16 x 1.000 Inch Harley Davidson Head Bolt Insert - 10 Pack
HARLEY DAVIDSON SHOVEL HEAD EVO TWIN CAM HEADS VALVE SEAT CUTTER CARBIDE TIPPED