Jims Valve Spring Kit. Chromoly. .600" Lift for Harley-Davidson

Cromoly upper necks.
Honeycomb-style springs. Includes steel lower collars and valve stem wrench set.
Good set of street springs and performance at 0.600" of lift.
Spring outer diameter from 1.445" to 1.095".
Pressure 155 lbs at 1,880", 166 lbs at 1,850".
0.1230" coil link.

Fits: > 05-17(NU) Twin Cam (except 110"), 04-21 XL, 08-12(NU)XR1200, 03-10(NU)Buell XB