Harley Davidson Wl 1947 Chevi 1920 oil pressure gauge Knucklehead panhead flathead

It’s a fantastic vintage gadget to better control of engine oil pressure. (The scale is different like it shows- 2on gauge is about 0,5Bar,4 is about 1Bar, 6is2bar, 8is3bar). Old Chevi gauge, cover made by myself. Face came from old voltage gauge, down side from inox of caffe barista cup. 😁 8 hours of work. Oil sae-60 with syntetic oil stabilizer by Lucas Oil.