Vertex Big Bore Piston +4mm 93.96mm 11.3:1 Kawasaki KLX400R 2003-2004
All pistons are heat-treated with a T-5 hardening and tempering cycle
All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Big Bore pistons increase engine's displacement, torque, and peak horsepower
Kits include piston, rings, wrist pin and circlips
Product Note:
Specification
Details
Compression Ratio
11.3:1
Displacement
440cc
Piston Diameter
93.96mm
Size Over Standard
4 mm Larger than Stock
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Arctic Cat
DVX 400 2004-2008
Kawasaki
KFX400 2003-2006
KLX400R 2003-2004
Suzuki
DR-Z400 2000-2004
DR-Z400S 2000-2022
DR-Z400SM 2005-2009, 2012-2021
LT-Z400 QuadSport 400 2003-2014
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