S&S Cycle SS310-1251 Piston Cooling Jet Kit for Twin Cam 99-17

* Milled from Billet Aluminum 6061-T6

* Revised spray locations for more effective cooling

* Dual jets for uniform piston cooling

* Shorter than OEM for greater rod clearance

* Includes all needed gaskets and hardware

* Equivalent Oil Flow to stock

* Sold as a Pair

* Upgrade on OEM # 22307-99 & 22371-99A

Proudly Made in the USA by S&S Cycle !