Piston Kit Part Number:
MK1001142

Includes:
Piston, Piston Rings, Wristpin, Circlips (2), Head Gasket, Base Gasket, O-Ring, NGK Spark Plug

Direct Replacement For:
13103-KCY-670, 13102-KCY-670, 13101-KCY-670, 12251-MBV-013, 12251-MBV-003, 12251-KCY-671, 12251-HN1-A41, 12251-HN1-003, 12191-KCY-671, 12191-HN1-A71

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

Honda Sportrax 400:
1999-2008
Honda TRX400X:
2009-2014
Honda XR400R:
1996-2004
Providing you with the same reliability that youve come to expect from factory parts at an incredible price. The moly-coated performance Piston Kit increases the stock compression from 9.1:1 to 10:1. The custom-designed Piston also helps increase power in the low to mid rpms. Included in this kit is: Piston, Piston Rings, Wristpin, Circlips (2), Spark Plug, Head Gasket, Base Gasket and O-Ring. The high-performance gasket kit gives your engine more reliability and longevity.All of the parts included are direct replacement parts for easy, hassle-free installation with no modifications or adjustments needed. Everything has been engineered and tested to exceed original equipment standards and performance.