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UK MADE, BEST QUALITY EXHAUST VALVE
OVERALL LENGTH: 3.9" (99MM)
STEM DIAMETER: 5/16"
HEAD DIAMETER: 1 5/16" (33.3MM)
WEIGHT: 58.5G
IMPROVEMENTS INCLUDE:
INCORPORATING THE LATEST PERFORMANCE ENHANCING FEATURES:
PULSE PLASMA NITRIDE HARDENING
SUPER POLISHED
SMALL INCREASE IN STEM SIZE (0.001") FOR CLEANER RUNNING
FRICTION WELDED TIP FOR WEAR RESISTANCE
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