Big Bore Kits
Fuel Moto128" Big Bore Piston & Cylinder Kit - Gen 1 M8 (114/117")
✓ Verified fit for your 2020 Fat Boy 114
About this part
128in Big Bore Piston & Cylinder Kit for Harley-Davidson Milwaukee-8 Gen 1 114in or 117in 4.5in-stroke engines (air cooled & twin cooled), Touring and Softail
Options that fit your bike
- Base kit$1,199.95