Honda 400EX 400X 88mm +3 Big Bore Kit Stage 3 Cam 426cc Top End Rebuild Hotcam RZR Turbo R 5:1 Pistons and Genuine Yamaha

5:1 Pistons and Genuine Yamaha OEM Head Gasket

stronger valve control

which are 82

Includes Genuine KPMI RED Viton Stem Seals (no bait-and-switch blues

be it full time or on the side

Honda 400EX 400X 88mm +3 Big Bore Kit Stage 3 Cam 426cc Top End Rebuild Hotcam RZR Turbo R 5:1 Pistons and Genuine YamahaWorks on all Honda 400EX, 400X, and XR400R models and years 88mm heavy duty big bore cylinder 88mm big bore Wiseco or Wossner forged piston Nitrite coated piston rings Chrome wrist pin Circlips Stage 3 Hotcams Camshaft SKF cam bearings Cometic big bore top end gasket kit MLS big bore head gasket Talon TITANIUM cylinder head stud kit LIFETIME WARRANTY* NGK spark plug HD cam chain conversion No case or head mods are required Runs on pump or race gas 1