Brand: Classic American Thunder Cycle
This adapter makes checking oil pressure on your M8 engine with a mechanical gauge simple!
Install this adapter in place of the oil pressure sending unit part # 71400112A and use any mechanical oil pressure gauge with 1/4" or 1/8" NPT.
Always check oil pressure with this adapter after installing oil pumps or major engine repair!
Sold as a kit with one adapter and one 1/4" to 1/8" NPT adapter.