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Koso North America 4V Head Kit w/ 170cc Big Bore Kit

SKU: 27-5810
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Ideal engine part to complete Kosos big bore kit.Unique four-valve design increases air fl... Read More

$935.96
$1,039.95 Save 10%
Earn $46 2W Cash
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Koso North America 4V Head Kit w/ 170cc Big Bore Kit

Ideal engine part to complete Kosos big bore kit.

Unique four-valve design increases air flow and performance.

Provides more power and torque.

Features a forged piston, stainless steel 24mm intake valves and 20mm exhaust valves.

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