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Cylinder Heads

Four Valve Head Kit - Honda Grom/Monkey

Brand: KOSO NORTH AMERICA

SKU: P1397630771050

$869.85

$692.12

Taxes and shipping calculated at checkout.

Four-Valve Head Kit Big Bore

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Product Details

Highlights

  • Ideal engine part to complete Koso's big bore kit.
  • Unique four-valve design increases air flow and performance.
  • Provides more power and torque.
  • Features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves.
  • Proper exhaust system must be used to prevent re-flow pressure and heat.
  • Head Kit Only.
  • Only fits Koso 170 cc big bore kit.

Specifications

Compression Ratio Imperial12.3:1
Displacement170 cc
Engine Type4-Stroke
MaterialStainless Steel
Riding StyleStreet
StyleBig Bore
Type4 Valve
UnitsKit

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