GM PRODUCTION OPTIONS RPO FY LY DIVISIONAL RPO DESCRIPTION RPO DESCRIPTION NJ8 88 88 TANK FUEL 129 LITER 34 GAL W 129 LITER TK NJ8 NK1 76 85 TANK FUEL 69 LITER W 59 LITER TK NK1 NK2 76 81 TANK FUEL 79 LITER W 79 LITER TK NK2 NK2 82 87 TANK FUEL 76 LITER W 76 LITER TK NK2 NK3 76 83 WHEEL STRG FORMULA W FORMULA WHL NK3 NK3 84 88 WHEEL STRG SPORT SOFT RIM SIM LEATHER W SPORT WHL NK3 NK4 76 88 WHEEL STRG SPORT LEATHER W SPORT WHL NK4 NK5 76 88 WHEEL STRG STD W STD WHL NK5 NK6 76 85 TANK FUEL 83 LITER W 83 LITER TK NK6 NK7 76 87 TANK FUEL 31 GAL W 31 GAL TK NK7 NK8 76 85 TANK FUEL 96 LITER W 96 LITER TK NK8 NL2 76 87 TANK AUX FUEL VAR 2 W AUX TK NL2 NL7 76 88 TANK FUEL 33 GAL W 33 GAL TK NL7 NL8 76 81 TANK FUEL 2K GALLON RR MOUNTED W RR MT TK NL8 NL9 85 87 TANK FUEL 27 GAL W 27 GAL TK NL9 NM1 83 85 SWITZERLAND SWEDEN EMMISSION PROVISION W NM1 EXPORT NM4 76 85 EMISSION CONTROL NON CLOSED LOOP W NM4 EXPORT CANADA NM5 76 88 EMISSION SYSTEM NON CLOSED LOOP CANADA W NM5 EXPORT CANADA NM6 76 85 EMISSION CONTROL CANADA RECALIBRATION W NM6 EXPORT CANADA NM8 76 86 EMISSION MODIFICATION LEADED GAS CONV W NM8 EXPORT NM8 87 88 EMISSION SYSTEM UNLEADED FUEL W NM8 EXPORT NM9 76 81 DIESEL EMMISION SYSTEM EXTERNAL EGR W EXTERNAL EGR NM9 NN1 76 84 EMISSION SYSTEM DUAL BED MONALITHE CONV W NN1 NN2 76 81 EMISSION SYSTEMN SINGLE BED MONALITHE CONV W NN2 NN3 76 84 EMISSION SYSTEM SINGLE BED BEAD CONV W NN3 NN4 82 88 TANK FUEL 60 GAL W 60 GAL TK NN4 NN5 85 87 EMISSION SYSTEM CALIFORNIA OVERRIDE W NN5 NN6 82 84 EGR REVERSE FLOW W NN6 NN7 82 88 FUEL FILLER DOOR DELETE LOCK EXC FIL DR LK NN9 82 85 EMISSION SYSTEM LEADED FUEL EXPORT W NN9 EXPORT NP1 76 81 V6 ECONOMY EQUIPMENT W FUEL ECON EOUIP NP1 NP5 76 88 WHEEL STRG LEATHER WRAPPED W NP5 NP6 85 85 WHEEL STRG WOOD W WD STRG WHL NP6 NP7 82 87 COLUMN STRG W NP7 EXPORT NO5 84 88 CAP STRG WHL DLX HORN W DLX HORN CAP NO5 NV5 84 87 SHIELD DIFFERENTIAL CARRIER W NV5 NX1 82 87 WHEEL 13 X 5 5 PA HSLA STL W PA WHL NX1 NX8 85 86 WHEEL 14 X 6 LT METAL ALLOY W NX8 NY1 76 87 PLATE FUEL TK SHIELD SKID W NY1 NY2 84 85 STEERING SLOW RATIO W NY2 NY6 76 84 GEAR P S TYPE 605 W P S NY6 NY7 76 87 SHIELD TRFER CASE W NY7 NY8 76 84 GEAR P S TYPE 800 W P S NY8 NZZ 88 88 PACKAGE SKID PLATE OFF ROAD SPORT W SKID PLT NZZ N04 76 85 LOCK GAS CAP REM CONT W NO4 N05 76 88 LOCK FUEL FIL CAP W LK CAP NO5 N08 76 81 FILLER FUEL TK DR REM CONT LK W LK DR FIL N08 N08 82 87 LOCK FUEL FIL DR REM CONT ELEC W REM CONT LK NO8 N09 82 87 LOCK FUEL FIL DR W FIL DR LK N09 N10 76 88 EXHAUST SYSTEM DUAL W DUAL EXH N10 N16 76 83 EMISSION SYSTEM INTERNAL EGR W E P R W N16 N18 82 87 LOCKING KIT SIMULATED WIRE WHL CVR W LK WHL CVR N18 N20 76 81 TANK FUEL 50 GAL W 50 GAL TK N20 N23 82 87 TANK FUEL 83 LITER 22 GAL W 83 LITER TK N23 N24 82 88 WHEEL 15 X 7 CAST ALUM W ALUM WHL N24 N27 87 88 WHEEL STRG 2 SPOKE STD W 2 SPOKE STRG WHL N27 N3O 76 88 WHEEL STRG DLX W DLX STRG WHL N30 N31 76 88 WHEEL STRG CUST W CUST STRG WHL N31 N32 76 88 WHEEL STRG CUST W CUST STRG WHL N32 N33 76 88 COLUMN STRG TILT TYPE W TILT WHL N33 N34 76 87 WHEEL STRG CUST SPORT W SPORT STRG WHL N34 N36 82 88 WHEEL STRG SPORT W SPORT STRG WHL N36 N37 76 87 COLUMN STRG TILT TELESCOPIC W T T WHL N37 N40 76 88 STEERING HYD NON VARIABLE W P S N40 N41 76 88 STEERING HYD VARIABLE RATIO W P S N41 N45 85 87 WHEEL STRG 3 SPOKE W 3 SPOKE STRG WHL N45 N46 84 88 WHEEL STRG 4 SPOKE VINYL W 4 SPOKE STRG WHL N46 N49 76 81 WHEEL STRG CAP ONLY SPORTY W SPORT STRG WHL N49 N51 76 81 STEERING MAN W MAN 5TRG N51 N51 82 88 STEERING MAN EXC P S N54 86 87 WHEEL STRG 3 SPOKE SPORT W SPORT STRG WHL N54 N60 76 87 WHEEL ALUM W ALUM WHL N60 N64 85 88 WHEEL TIRE SPARE ALUM SPACE SAVER W ALUM SPA N64 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMOBILE 31 90