VOTED 2022 & 2023 YOUTH NATIONAL RACE TEAM OF THE YEAR ATV MX

KOSO  |  SKU: 27-5822

4 VALVES CYLINDER HEAD

$749.95

NEED BY DATE

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Description

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 and torque.
  • Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available.
  • Requires the use of Iridium spark plug
  • The 4 Valve Head Kit features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves. Only fits Koso 170cc big bore kit.

Specifications

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KOSO

4 VALVES CYLINDER HEAD

$749.95
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 and torque.
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