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Incorporates the industries first and only patented snap together reed valve design. The entire assembly is completely screw freeUtilizes and advances composite technology with an all new carbon fiber lay-up and resin system. This new lay-up was...$148.00 -
$99.95 -
The Koso 4V Head Kit is the ideal engine part to complete the Koso Honda Grom® Big Bore kit. Because of its unique 4 valve design, the air flow and performance are increased. This new designed head is the perfect addition for those who desire more power...$937.95 -
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