NICHE 89mm 440cc Big Bore Cylinder Piston Kit For Honda TRX400X XR400R 1996-2014 12100-HN1-A7;

NICHE Cylinder Kit Part Number: MK1000942

Includes: Cylinder, Piston, Piston Rings, Wristpin, Circlips (2), Head Gasket, Base Gasket, O-Rings (2)

Known Brand Compatibility: Honda

Direct Replacement For: 12100-KCY-670, 12100-HN1-A70

This Part is known to be Compatible with the following vehicles:

Honda Sportrax 400: 1999-2008
Honda TRX400X: 2009-2014



A brand new bolt on 440cc Cylinder Kit. It includes a brand new 89mm Cylinder, Big Bore Piston Kit, head gasket and base gasket with 2 O-Rings. This is a true bolt on kit, no machining or custom work needed, simply remove your old Cylinder/Piston and put this kit on! Quality and Performance is guaranteed!