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TOP QUALITY VALVE, FITS 350CC OHV SINGLES. CONCAVE HEAD AND UNDERCUT STEM DIAMETER IN THE PORTS IMPROVES FLOW AND COMBUSTION. PULSE PLASMA NITRIDE COATING AND SUPER POLISHING REDUCES FRICTION AND WEAR ALLOWING FOR A SLIGHT INCREASE IN THE STEM DIAMETER IN THE GUIDE WHICH HELPS TO REDUCE EMISSIONS AND REDUCE OIL CONSUMPTION WHILST IMPROVING COMBUSTION. UK MADE. STELLITE WEAR TIP FOR ROCKER. (VERY STRONG AND DURABLE).
OVERALL LENGTH: 4.43" (112.6MM)
STEM DIAMETER NOMINAL: 3/8" (9.36MM)
HEAD DIAMETER NOMINAL: 1.600" (40.6MM)
MATERIAL: 214N
WEIGHT: 93G
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