4.250in. Bore Cylinder Set – Black with Highlighted Fins. Fits Milwaukee-Eight 2017up.

Features & Benefits:

* Bolt on Cylinder Set For M8 Models

* Wrinkle Black with Highlighted Fins

* 4.250 Bore

* NO PISTONS !

Tech Tips:-

* Individual cylinders and cylinder sets without pistons are bored slightly under normal size and are not honed.

* We recommend using S&S Cycle Head Bolts for M8, part number SS900-1006 for all big bore applications.