Koso Honda Grom 4 Valve Cylinder Kit
KOSO GROM 125 4 Valve 24mm intake and 21m exhaust
KOSO Grom 125 4 Valve Head design with a square intake port
KOSO Honda Grom 4 Valve Exhaust Port
Koso 4 Valve Honda Grom
KOSO 4 Valve Grom Microfiche

KOSO

KOSO Honda Grom/Monkey 4-Valve Cylinder Head Kit

$849.95 $937.00
Quantity:
Pickup available at 1860 Obispo Avenue Usually ready in 24 hours

KOSO Honda Grom/Monkey 4-Valve Cylinder Head Kit

1860 Obispo Avenue

Pickup available, usually ready in 24 hours

1860 Obispo Avenue
C
Signal Hill CA 90755
United States

5623351564

KOSO Honda Grom/Monkey 125 4 Valve Cylinder Head Kit with larger square intake and oversize exhaust port to accommodate the pair of 24mm intake and 21mm exhaust valves. The Koso Grom/Monkey 4 Valve Cylinder Head Kit is designed to be added to an existing Koso Grom 61mm Big Bore Cylinder Kit. This 4 Valve Head will only work with KOSO 61mm Grom/Monkey Big Bore Kit.

Koso Honda Grom 125 4V Cylinder Head Kit

  • Koso 4-valve Cylinder Head
  • Intake Valve 24mm
  • Exhaust Valve 21mm
  • Roller Rocker
  • Koso Camshaft
  • Koso 61mm Forged Piston for 4 Valve
  • Koso Large Port Exhaust Gasket
  • Koso Intake Manifold for large throttle body (34mm not included)