99-04 400EX 400 EX BPR Stock Simple Rebuild Kit CP Piston Complete Gaskets Seals Magnum 500 All brand new aftermarket parts

All brand new aftermarket parts

Wiseco hi-temp rings

Stock carburetor

High-quality steel intake & exhaust valves for lasting performance

& Titanium Studs

99-04 400EX 400 EX BPR Stock Simple Rebuild Kit CP Piston Complete Gaskets Seals Magnum 500 All brand new aftermarket partsHonda TRX 400EX 400X Simple Rebuild Kit (Stock Bore 85mm) We've heard your feedback! Some of our kits are Too Complete. We mean it when we say no one sells a more complete rebuild kit. We understand that sometimes you don't need to replace everything & just want a simple kit at a great value! Simple Rebuild Kits Includes NEW BPRATV Aftermarket 85mm Stock Bore Cylinder (1 Year Warranty) CP Carrillo 85mm 10: 1 Compression Forged Piston Includes Piston,