400cc Big Bore Kit

JR Trikesports Verified independent store

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BOLT ON READY!! 400cc Big Bore Kit for the Honda trx300 2 valve engine. This is a complete bolt on kit that includes: New piston with rings, pin and clips, new custom sleeve instal led into a fresh cylinder, and all appropriate gaskets Pump Gas friendly 11:1 or Race Fuel 12:1 Show more