Iron Stable

Harley-Davidson CVO SOFTAIL DELUXE Big Bore Kits

Genuine HD big bore kits and aftermarket alternatives that fit the CVO SOFTAIL DELUXE — all years. Select your year for exact fitment and pricing.

Select your year for exact fitment & prices

20152014

Genuine Harley-Davidson (4)

3-7/8" Standard Bore Piston Kit

Genuine Harley-Davidson

3-7/8" Standard Bore Piston Kit

22144-08B
Iron Pass £323.92£381.08View
Screamin' Eagle 4-Inch Big Bore Conversion Kit

Genuine Harley-Davidson

Screamin' Eagle 4-Inch Big Bore Conversion Kit

92500039
Iron Pass £1148.32£1350.96View
Big Bore Head Gasket Kit

Genuine Harley-Davidson

Big Bore Head Gasket Kit

16101-01
Iron Pass £48.25£56.76View
Screamin' Eagle MVA CNC Ported Cylinder Heads

Genuine Harley-Davidson

Screamin' Eagle MVA CNC Ported Cylinder Heads

16925-11
Iron Pass £1422.25£1673.23View

Aftermarket alternatives

Aftermarket big bore kits that fit the CVO SOFTAIL DELUXE. Genuine Harley-Davidson is listed above, not here.

Searching aftermarket…