Patented 3-Valve combustion chamber with 2 intake valves, 1 exhaust valve, centrally located spark plugs, increased squish area, high velocity raised ports & valve angles. Bolt on replacement cylinder heads and intake manifold for the M-Eight Harley-Davidson® engine incorporating the use of factory and or available aftermarket exhaust systems and throttle bodies🔥
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Comparing NEW Feuling 3-Valve cylinder heads to Factory H-D®/SE® 4-Valve heads:
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Increased intake & exhaust flow as stage I untouched ports compared to highly modified HD®/SE® heads.
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Optimized single shorter high flow exhaust port produces much less heat.
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Cleaner combustion with centrally located spark plugs and high velocity ports - cleaner emissions.
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Larger squish area produces octane tolerant combustion - allows the use of higher compression on standard pump gas.
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Increased strength in rocker arm supports.
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Optional large diameter valves with ‘RACE’ ports.
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INCREASED HORSEPOWER💪🏼
INCREASED TORQUE💪🏼

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