WSM Top End Kit - +0.75 mm - Honda 54-227-13 Defcon V2 Backpack Weld-in O2 sensor bung lets

Weld-in O2 sensor bung lets you incorporate O2 sensors into any exhaust system

Asymmetric rubber layer on fore foot for additional durability in the gear shift area

For best results

lightweight thermal shirt with contrast stitching Pro Circuit factory flag logo on chest and Pro Circuit print on sleeve Screen printed with quality inks 60% Cotton/40% Polyester construction

WSM Top End Kit - +0.75 mm - Honda 54-227-13 Defcon V2 Backpack Weld-in O2 sensor bung letsTop quality piston kit Includes pistons, rings, pins, clips, needle bearings, head and base gaskets and intake and exhaust gaskets and oil filter for 4 stroke models