K&N DynoJet Recalibration Kit, #81-9164 (Stage 1, 40mm CV)
This is a new kit that has been subject to shop crate storage. The cardboard backing has been worn, but the sealed kit remains fully intact, complete, and in pristine condition. This is a Stage 1 Recalibration kit, correct for use on stock Harley CV carburetors.