NEW Honda TRX400EX TRX 400EX XR 400X 87mm WISECO Big Bore Piston Rings Set JAPAN KX100 Premium Complete Oil Pump Service

Premium Complete Oil Pump Service Kit

USA-made quality

In one or two areas Chromoly may be stronger

Stainless steel

NEW Honda TRX400EX TRX 400EX XR 400X 87mm WISECO Big Bore Piston Rings Set JAPAN KX100 Premium Complete Oil Pump ServiceHonda 400EX 400X XR400 87mm Wiseco Big Bore Piston Replacement Rings Kit Part# 3425XC These rings are for Wiseco Piston Part #'s 4606M08700, 4628M08700, 4045M08700, 4627M08700, 4764M08700, 4767M08700 These are replacement rings for Wiseco Pistons ONLY. The piston is not included. Wiseco, Piston Ring Set, 4 Cycle, 87. 00 mm Bore Wiseco 4 stroke piston ring sets are made specifically to Wisecos specifications to provide ultimate performance and sealing