PILOT ASSEMBLY, 3/16" TUBING, 12-15/16" CTR OF TIPS,; 12-1/2" X 2-1/2" L TUBE CONNECTED TO 2 TIP TUBES,; 2EA 6-1/4" X 1-3/8" WITH TIPS MAKE UP THE 12-15/16" ABOVE;WITH 3/16" TEE, ALSO HAS NUT & SLEEVE.;IMPERIAL RANGE IR, ELITE;FOR IR2000 SERIES USE A3922, # 51-1070, ASSY. ;WHICH IS 6" TIP CENTERS.