Cat fuel injector nozzles utilize specialized product metallurgy, proprietary manufacturing processes and design, to deliver injectors capable of meeting today's performance and injection pressures for emissions requirements. Mount Type: Bushing With Outer Sleeve Overall Length (mm): 95 Overall Length (in): 3.74 Inside Diameter (mm): 36.5 Inside Diameter (in): 1.44 Pilot Outside Diameter (mm): 76.15 Pilot Outside Diameter (in): 3