Spectro Heavy Duty Engine Oil is a superior motor lubricant designed specifically for use in American-made Harley® V-Twin engines

backed by a rock-solid 7½ year warranty

The heavy aluminum construction gives you many options between paint or polish your custom motorcycle fender

Fits OHV Big Twins 1936-80

The steel plates get welded to the backbone of any custom motorcycle frame and the bolts pass through the decorative inserts before being threaded into bungs on the bottom of a custom fuel tank (see related products below for a selection of bungs)

#SPC-023 3/8 ID x 3/8 Length Chrome Plated Steel Universal Spacer - 5 Pack Material_Steel Spectro Heavy Duty Engine OilColony Machine #SPC 023 3 8 ID x 3 8 Length Chrome Plated Steel Universal Spacer. Size: 3 8 inside diameter x 3 8 inch length. 3 4" outside diameter. Bag of 5 pieces. Made in Ohio, USA.