This is a complete seal and gasket kit for engines with a 143cc (60mm) big bore kit installed.  Includes 4 10x14mm Dowel Pins.

The kit contains the following:

• All gaskets including the exhaust gasket
• All Oil Seals
• All O-Rings
• Valve Seals
• All gaskets including the exhaust gasket
• All Oil Seals
• All O-Rings
• Valve Seals
• 4 oil pump o rings
• Countershaft o ring
• Shift drum / neutral safety plate – O ring
• 2 intake manifold o rings
• Oil fill cap
• Timing plug
• Large timing plug/ crank plug
• Cam and valve cover O rings
• Oil filter O rings
• Timing chain tensioner o ring
• 4 10x14mm Dowel Pins

OEM quality and a much better price!!