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Single-stage replacement reeds. Increases performance from start-up to full-throttle. Matched to exacting OEM specifications. Last longer and cost les...
Carbon fiber top reed coupled with a durable fiberglass/epoxy bottom reed. Smooth, dependable throttle response. Increased performance without sacrifi...
Laboratory flow analysis proves Boyesen dual-stage reeds out-perform standard reeds. They permit greater flow velocity over the entire range of operat...
Each Boyesen Rad Valve is stamped with a part number. Find your part number in the list to obtain the correct replacement reeds.
