Click or scroll to zoom Tap or pinch to zoom Oil Pressure Gauge Fitting Straight by PETERSON FLUID $23.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Fitting - Adapter - Straight - 4 AN Male to 1/8 in NPT Male - Aluminum - Red Anodize - Peterson Oil Pressure Gauge - Each