Features & Benefits:
* Performance hydraulic roller lifters – Set of 4
* Optimized oil flow to top end – valves, springs, rockers, shafts & valve guides, Extends life of top end valve gear
* Dyno developed and track tested, Cooler oil and reduced wear
* CNC machined and precision ground
* Replaces OEM # 18538-99 & 18572-13
Tech Tips:
* Use an oil can to pump the lifter full of oil prior to assembly.
* Made in the U.S.A.
