Harley Davidson Screamin' Eagle 4.155” (125CI) Big Bore Bolt-On Cylinders 16800442 helmet 57100165 and 57100225 (left)

57100165 and 57100225 (left)

high performance

Pending approval for use in California on '21 models

5 & 1 oz measures to help pour the perfect concoction

5' extension - Low-loss lead features the same quick-disconnect two-prong plugs as found on the charger unit and the available charging harnesses

Harley Davidson Screamin' Eagle 4.155” (125CI) Big Bore Bolt-On Cylinders 16800442 helmet 57100165 and 57100225 (left)Increase the displacement of your Milwaukee Eight engine without removing the engine from the chassis. The Screamin' Eagle product team has engineered a 4. 155" Big Bore Cylinder that increases the internal bore but slips into the existing case bore without modification. When combined with the appropriate piston combination in the Screamin' Eagle Stage III kit, these cylinders can increase the displacement of your Milwaukee Eight engine from 121CI to