Standard Piston Rings. Fits Milwaukee-Eight 2017up with 4.320in. Bore & S&S 107ci to 129ci & 114ci to 132ci Big Bore Kits.

Features & Benefits:-

* Replacement Piston Rings for S&S Milwaukee-Eight 107ci to 129ci & 114ci to 132ci Big Bore Kits (4.320" Bore)

Tech Tips:-

* Always follow Piston Ring Fitment Instructions carefully.

Proudly Made in the USA by S&S Cycle !