Custom Chrome Tuning Kit Fit For Harley 88-06 Big Twin Sportster 883 1200 with 40mm CV Carbs

A carburettor tuning kit for Harley Big Twin and Sportster 883/1200 models from 1988 to 2006 running the 40mm CV carb. Sold by Custom Chrome for riders recalibrating fuelling on those engines, whether after intake or exhaust changes or simply to correct a lean or rich condition.