Jims Roller Rockers 1045RR

Art no.: 20-424

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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

Note

Fits Harley-Davidson Big Twin 84-17 & Sportster XL 86-20