Seal washer; for Drain plug; brass; ID x OD: 16 x 20.6 mm, 0.8 mm thick ; replaces OEM HD 3504-38C, 6700, and 6700B; gross weight: 1 g

Chrome-plated oil tank filler cap for Big Twins from 1965–1986 (except FXST) as well as Sportster and K-models from 1952-1978 with OEM  style in-tank oil filter.

Our premium multigrade engine lubricant. 100% synthetic. For unrestricted usage in engine, wet clutches, primary drives and transmissions. Better engine protection, more positive clutch action and smoother shifting. Less friction and reduced wear. This high performance lubricant complies with API SL.

Oil change without a mess! This rubberized aluminum alloy sheet allows you to form an individual funnel or trough to direct your waste oil from the hard-to-reach oil tank drain hole or oil filter plate to any suitable container. Of course, you can also use it to fill fresh oil into your tank. Tapered at one end so it can be shaped to reach tight spots. You can reshape and use it a thousand times and on different bikes. With suspension eye so you can hang it up for drip-off. Easy to clean.

Pre-TwinCam engines have a spring loaded ball check valve to prevent the engine oil from seeping down to the crankcase. These check valves don’t last forever. If you try to start your engine after a lengthy period of inactivity (e.g. winter), the oil in the crank case gets forcefully ejected via the breather. Creating an ungodly mess on your garage floor....

Our traditional single grade lubricant for engine and transmission for heavy thermal and shear loads. Complies with H-D recommendations up to 1984 for Big Twins and Sportsters up to 1981. This high performance lubricant complies with API CF.