BOYESEN Quickshot 3 APC-3

High-volume vertical check valve located in the QS3 for precise, consistent fuel metering, Tunable leak jet maximizes volume of fuel and duration of squirt for all conditions, Investment cast and finished to precise tolerances, Improved low-end performance, Simple bolt-on installation, Stops hesitation and bog, Instant throttle response, Fits ALL Keihin FCR carbs, 25% more fuel capacity