Vertex WR00058 Complete Engine Rebuild Kit In A Box drive-chains-520 Yuasa Reference: 12N7-4A

Yuasa Reference: 12N7-4A

Weatherproof

1997-2009 Polaris Trail RMK

1990-1995 Kawasaki JS550 550SX

Double Filament and requires mounting bracket

Vertex WR00058 Complete Engine Rebuild Kit In A Box drive-chains-520 Yuasa Reference: 12N7-4AConvenient one stop shop in a box; nearly all components required for a complete and professional rebuild. Vertex piston kit (standard compression piston, rings, pin and clips). Hot Rods heavy duty crank (stock stroke includes wrist pin bearing for two strokes). Hot Rods main bearing seal kit. Hot Rods transmission bearing kit (includes transmission bearings, output shaft collar and sprocket lock washer). Hot Rods counter balancer bearing kit. Hot