Superhead 4-Valve (+R) Version-Up Kit 12V-Monkey (124cc/HA.V-Type/Decompression)

It comes with a Super Head 4V+R head kit, camshaft, piston kit, and gasket set.
Compared to the large-diameter 2-valve Super Head+R made by Takegawa, by having two intake valves and two exhaust valves, the valve curtain area can be further expanded, making it possible to improve intake and exhaust efficiency even more than with a large-diameter 2-valve setup.
In addition, due to the cylinder head shape, which was designed to balance the center plug, valve angle, combustion chamber shape, and port shape that accompany the 4-valve conversion, it achieves higher output and continuous power characteristics in the high RPM range, which is the biggest feature of the Super Head.
Compatible models: 12V Monkey/Gorilla (Z50J-2000001 / AB27-10000011899999)
● For vehicles equipped with Takegawa big bore kits and bore-stroke up kits
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