Harley-Davidson Dyna Fat Bob Big Bore Kits
Genuine HD big bore kits and aftermarket alternatives that fit the Dyna Fat Bob — all years. Select your year for exact fitment and pricing.
Genuine Harley-Davidson (6)
Genuine Harley-Davidson
3-7/8" Standard Bore Piston Kit
22144-08B
Genuine Harley-Davidson
Screamin' Eagle 4-Inch Big Bore Conversion Kit
92500039
Genuine Harley-Davidson
Big Bore Head Gasket Kit
16101-01
Genuine Harley-Davidson
Screamin' Eagle 103 Stage IV Performance Kit
27516-08F
Genuine Harley-Davidson
Screamin' Eagle MVA CNC Ported Cylinder Heads
16925-11
Genuine Harley-Davidson
High-Compression Piston Kit, 4.060", Standard Bore
22574-10Aftermarket for your Dyna Fat Bob
Confirmed to fit your Dyna Fat Bob
Aftermarket big bore kits the supplier lists against the Dyna Fat Bob. Genuine Harley-Davidson is listed above, not here.
V-Twin
3 5/8" BIG BORE CYLINDERS AND PISTONS FOR EVOLUTION BIG TWIN
V-Twin
3 5/8" BIG BORE CYLINDERS AND PISTONS FOR EVOLUTION BIG TWIN
Daytona
CYLINDERS FOR TWIN CAM 1999-2017
Daytona
CYLINDERS FOR TWIN CAM 1999-2017
S&S Cycle
S&S 117CI BIG BORE CYLINDER KITS
S&S Cycle
S&S 3 5/8" BIG BORE POWER PACKAGE FOR EVOLUTION BIG TWIN
S&S Cycle
S&S 3 5/8" BIG BORE POWER PACKAGE FOR EVOLUTION BIG TWIN
S&S Cycle
S&S BIG BORE CYLINDER KITS FOR TWIN CAM
S&S Cycle
S&S 3.927" + .010" Piston Kit, TC07-17
S&S Cycle
S&S 3.927" Piston Kit, TC07-17
KB Keith Black Performance Motorcycle Pistons
CYLINDERS FOR TWIN CAM 1999-2017
Zodiac (Made in Europe)
GENUINE ZODIAC CYLINDERS