Single Valve Spring With Damper, 1.486 OD, 1.850 IH, .650 LIFT, 410 LBS/INDesigned for use in a broad range of applications, 26911 fits applications near a 1.850 installed height and a spring pocket of 1.486" OD. It has a 410 lbs/in rate and a 387 lbs open load for many street roller or flat tappet applications.