86-20 Sportster, 85-94 FX Model, 91-17 Dyna, 84-17 Softail, 85-16 Touring, 09-16 Trike
• Stock Ratio 1.625:1
• Designed to reduce friction in the valve train and provide more horsepower with less heat in the top end
• Cast from 4340 chromoly steel and heat treated
• JIMS roller rockers feature a 660 bronze bushing fit to .007"-.0012" for the best wear resistance and oil control
• With a roller tip made from bearing grade material which reuces valve guide wear and valve tip galling
• Other features include a segmented parabolic pushrod cup which reduces friction at pushrod ends and also puts the load on the outer perimeter of pushrod ends
• Replaces OEM 17360-83A , 17375-83A