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
£381.08Iron Pass £323.92£342.97View
Screamin' Eagle 4-Inch Big Bore Conversion Kit

Genuine Harley-Davidson

Screamin' Eagle 4-Inch Big Bore Conversion Kit

92500039
£1350.96Iron Pass £1148.32£1215.86View
Big Bore Head Gasket Kit

Genuine Harley-Davidson

Big Bore Head Gasket Kit

16101-01
£56.76Iron Pass £48.25£51.08View
Screamin' Eagle MVA CNC Ported Cylinder Heads

Genuine Harley-Davidson

Screamin' Eagle MVA CNC Ported Cylinder Heads

16925-11
£1673.23Iron Pass £1422.25£1505.91View

Aftermarket for your CVO Softail Deluxe

Confirmed to fit your CVO Softail Deluxe

Aftermarket big bore kits the supplier lists against the CVO Softail Deluxe. Genuine Harley-Davidson is listed above, not here.

Searching aftermarket…