S&S Precision Tappets.

Fits TwinCam 1999-2017, Sportster, Buell 2000+ & M8 2017-up

Features & Benefits:-

* Reduced valve train noise from start up to shut down.

* Close tolerances for low leak down rates fast pump up & superior high rpm performance.

* Low mass, bearing grade, silicon nitride check ball & lighter check ball spring enhances fast pump up & quiet operation.

* Each Precision Lifter is hand assembled to exact tolerances & designed for quiet operation, rapid pump up & are made in the USA.

* Replaces OEM # 18538-99 & 18572-13

Tech Tips:-

* Use an oil can to Pump the lifter full of oil prior to Assembly.

Proudly Made in the USA by S&S Cycle !

NOTE: THIS IS AN ORDERED ITEM AND HAS A LEAD TIME OF 3-5 DAYS PRIOR TO SHIPMENT TO CUSTOMER.