TX04 1383 RPO DEFINITIONS I A C7N GVW RAT NG 123OO LBS V C7P GVW RAT NG 16000 LBS V J C7S GVW RATING I 4500 LBS LB4 ENGINE 4 3L 4 3Z V6 A LL4 ENGINE 6 2L 6 2J IESEL V8 A I L05 ENGINE 5 7L 5 7K V8 DIG TAL FUEL INJECTION L19 ENGINE 7 4L 7 4N V8 T B 4 MT1 TRANSMISSION AUTO 4 SPD THM R2 4L80 I 1992 GENERAL MOT0ns sERv cE PARTS OPERAT ONS LT TRUCK g3P 4 000 GROUP mz I A 9 92