Oil Pressure Gauges 1/8npt pipe (gauge side) to -3 (line side) PreviousReplacement gauge blackout look Nextm8 to -3 case fitting for oil pressure gauge or turbo 1/8npt pipe (gauge side) to -3 (line side) 1/8npt pipe (gauge side) to -3 (line side) $12.95 replacement gauge side fitting for m8 or tc oil pressure gauge kits Quantity: Add To Cart Facebook0 Twitter