* 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 !
MFR PART No: 310-1251
ROLLIES PART No: SS310-1251
