CASTING NUMBERS'J1052' AND'J18' EMBOSSED ON PIPE. THIS PIECE HAS HAD PREVIOUS WELDING REPAIRS ON THE RUNNER AND NEAR THE OUTLET FLANGE (SEE PHOTOS). THESE WELDS SEEM TO HAVE GOOD INTEGRITY AND WERE PROBABLY DONE LONG AGO. THIS MEASURES APPROX 20-1/2 TOTAL LENGTH.
ENGINE EXHAUST PORTS MEASURE APPROX 1-11/16 INSIDE DIAMETER EACH. OUTLET FLANGE MEASURES APPROX 2-3/8" INSIDE DIAMETER, WITH SQUARE (4) MOUNTING BOLT PATTERN APPROX 2-11/16" CENTER TO CENTER ALL AROUND. PLEASE SEE PHOTOS FOR THE BEST DESCRIPTION.