Vibrant Oil Filter Spacer 1/8 NPT Female PortsVibrant Performance Oil Filter Spacer Assembly features 1 8 in. NPT ports (with port plugs) for easy installation of oil temperature, pressure sensors or auxiliary oil requirements. Includes five (5) Oil Filter adapter bolts (M18 x 1. 5, M20 x 1. 5, M22 x 1. 5, 3 4 in. 16 and 13 16 in. 16), Tab Lock Washer and O Ring seals. Oil Filter Spacer; 0. 125 in. NPT Port; 6061 Billet Aluminum; Black Anodized;