Air Filter 1990-audi-100-esi4077123 Vacuum Gauge - Pro-Comp -

Vacuum Gauge - Pro-Comp - 0-30 in HG - Mechanical - Analog - 2-5/8 in Diameter - Liquid Filled - Black Face - Each

Nitrous Pressure Gauge - 0-1500 psi - Mechanical - Analog - Full Sweep - 1-1/2 in Diameter - Liquid Filled - 1/8 in NPT Port - Blue Face - Each

Connecting Rod Bearing - P-Series - Standard - Nissan 4 and 6-Cylinder - Set of 4

although they may be used with any EFI system which can read a digital

Air Filter 1990-audi-100-esi4077123 Vacuum Gauge - Pro-Comp -Air Filter Element Magnum FLOW Pro DRY S Clamp On Conical 9 in Length x 7. 5 in Width Base 6. 75 in x 5. 5 in Top 5 in Flange 9 in Tall Reusable Cotton White Universal Each