Big Bore Kits
Fuel MotoSP 128" Piston & Cylinder Kit - M8 (114/117")
✓ Verified fit for your 2021 Fat Boy 114
About this part
Value-priced SP 128in Big Bore Piston & Cylinder Kit for Harley-Davidson Milwaukee-8 114in or 117in engines, no case boring required
Options that fit your bike
- Base kit$899.95