Chevrolet R.P.O. Codes

This list contains the R.P.O. codes that were used by Chevrolet from 1963 thru the 70's.
(Listed in alphebetical/numerical order)

These codes were used on build sheets, window stickers and sometimes can be found on cowl tags in the accessory or ACC area. (depending on build plant)

*Years listed are confirmed, other years are possible.

R.P.O. code Part description Years used* Special notes
837 Base Corvette coupe 1963-64  
867 Base Corvette convertible 1963-64  
898 Leather seats   Corvette
A01 Softray tinted glass 1963- (All glass) $37.70 for 1963 & 1964
A02 Tinted glass 1963- Windshield only
A13 Power door locks    
A16 Power tailgate release    
A20 Custom seat belts 1964  
A31 Power tailgate release    
A31 Electric window control    
A33 Electric tailgate window control    
A37 Custom front seat belt equipment 1963 1964 $3.25 for 1964
A39 Front and Rear Seat Belts 1966- Retractors on front belts
A41 Electric front seat control   4 way
A42 Electric front seat control 1963 6 way
A43 Six way manual seat adjuster    
A46 Electric driver seat   4 way bucket
A47 Seat belts   Custom Deluxe
A49 Front seat belt w/ retractors 1964- Use with RPO A63
A51 Front bucket seat   Astro
A52 Front bench seat   Astro
A53 Front bench seat    
A62 Front seat belt delete    
A63 Rear seat belt delete    
A64 Rear seat belt   Custom Deluxe
A65 Front bench seat   Split type seat w/arm rest
A66 Split second seat 1963 Station wagon
A67 Folding rear seat    
A68 Rear seat center belt   Standard
A75 H.D. front seat cushion   Low profile type
A76 H.D. rear seat    
A81 Head rests-bucket seats    
A82 Head rests-bench seat    
A85 Shoulder harness 1966- Deluxe
A90 Electric trunk opener    
A91 Vacuum trunk opener    
A93 Vacuum door locks    
A96 Rear compartment lock 1963  
AG7 6 way power seat    
AK1 Seat belts/shoulder harness   Custom Deluxe
AL4 Front bench seat   Special contour-Astro
AL5 Rear center seat belt   Deluxe
AN5 Lateral restraint seat    
AN7 Swing out strato buckets    
AO5 Electric seat back lock release    
AQ2 Electric seat belt lock release 1971  
AQ5 Electric seat belt lock release 1970  
AS1 Shoulder harness   Standard
AS2 Headrests   Special contour-strato
AS4 Rear seat shoulder harness 1968- Deluxe
AS5 Rear seat shoulder harness 1968- Standard
AT8 Reclining passenger seat    
AU1 Power door locks 1970- Electric
AU2 Power cargo lock   Electric
AU3 Power door locks   Electric
B01 Heavy duty body    
B02 Taxi cab    
B07 Police car    
B2M Power steering delete    
B30 Floor covering    
B34 H.D. front floor mat    
B35 H.D. rear floor mat    
B37 Floor mats    
B39 Load floor carpet    
B42 Luggage compartment mat    
B44 Removable load floor carpet    
B49 Deluxe carpet floor covering    
B50 Foam rubber front seat cushion    
B55 Deluxe front seat cushion    
B70 Instrument panel pad 1963- $18.30 for 1963 & 1964
B75 Luggage compartment lining    
B81 Tailgate molding delete   Deletes the trim strips
B90 Door window moldings    
B95 Rear panel moldings    
B96 Wheel well moldings    
B80 Roof drip molding    
B84 Body side molding    
B85 Belt reveal molding    
B93 Door edge guards    
BX4 Body side molding   Upper
BX8 Full body moldings    
BY3 Headliner    
BW1 Tailgate ornament delete   Deletes stripe or wood grain
BW2 Body side molding   Deluxe
BW6 Custom appearance group    
CA1 Power roof    
CB1 Vinyl roof   Touring
CB7 Vinyl roof    
CD2 Washer fluid monitor 1970 only Fiber optic fluid level monitor
CD3 Electro-tip wipers 1970-  
CE1 Headlight washers    
CF1 Skyroof    
C04 Cabriolet roof    
CO5 Convertible top   Manual
CO6 Convertible top   Electric
C07 Auxilary hardtop    
CO8 Vinyl roof 1963+ $75.35 for 1964
CO9 Padded vinyl roof    
C10 Windshield Washer    
C14 Two speed wipers   With washers
C24 Special windshield wipers    
C28 Dual action tailgate    
C30 Heater/defroster (standard)    
C48 Heater delete    
C49 Electro-clear defogger    
C50 Rear window defogger 1964-  
C51 Rear window air deflector   Station wagon
C56 Upper level ventilation    
C60 Air conditioning (4 season) 1963, 1964- $363.70
C65 Air conditioning   Deluxe
C75 Air conditioning   Automatic temperature control
C80 Front door jam switch    
D10 Rear arm rest    
D24 Litter container    
D31 Inside non glare rear view mirror    
D33 Remote control mirror    
D34 Vanity visor mirror    
D55 Center floor console    
D64 Illuminated visor mirror    
D68 Twin remote sport mirrors    
D80 Auxilary valance panel    
D85 Body side pin striping    
D88 SS hood & deck lid stripe 1970-1972 Chevelle
D91 Front paint stripe    
D96 Wide paint stripes 1967- Body side accent stripe
D99 Two-tone paint moldings    
DX1 Front end & hood stripes    
F40 H.D. front & rear suspension    
F41 Special performance front & rear suspension    
F60 Heavy duty front springs    
F62 Front springs    
FE8 Radial tuned suspension    
FR1 Front spring   Left side
FR2 Front spring   Right side
G11 2.56 axle ratio    
G31 Special rear spring    
G32 Rear springs    
G33 Rear spring   Left side
G34 Rear spring   Right side
G66 Air shocks   Rear
G67 Controller for air shocks    
G74 Heavy duty suspension    
G75 3.70 axle ratio    
G76 3.36 axle ratio    
G80 Positraction rear (4.11) 1963+ $43.05 for 1963
G81 Positraction    
G82 4.56 axle ratio    
G84 4.10 axle ratio    
G91 3.08 axle ratio    
G92 3.08 axle ratio    
G94 3.31 axle ratio    
G95 2.73 axle ratio    
G96 3.55 axle ratio    
G97 2.73 axle ratio    
GM8 2.56 axle ratio    
GS1 2.73 axle ratio    
GS3 3.73 axle ratio    
GS4 3.70 axle ratio   Positraction
GS5 4.11 axle ratio    
GS6 4.56 axle ratio   Positraction
GT1 2.56 axle ratio    
GT2 2.29 axle ratio    
GV1 2.73 axle ratio   Positraction
GV2 3.08 axle ratio    
GV3 3.08 axle ratio    
GV4 3.36 axle ratio    
GV5 3.55 axle ratio    
GV7 3.55 axle ratio    
GV8 4.11 axle ratio    
GW2 2.56 axle ratio    
GW3 2.56 axle ratio    
GW5 2.73 axle ratio    
GW8 4.10 axle ratio    
GX1 3.70 axle ratio    
GX2 3.07 axle ratio    
GY2 3.31 axle ratio    
GY2 3.31 axle ratio    
H01 3.07 axle ratio    
H05 3.73 axle ratio    
J50 Vacuum Power brake -1964- $43.05 for 1964
J52 Disc brakes   Front
J56 Heavy duty brakes    
J61 Disc brake delete    
J65 Metallic brakes -1964- $37.70 for 1964
JL2 Disc brakes   Front
JL8 Disc brakes   Front & rear
KO2 Thermomodulated clutch fan -1964-  
KO5 Engine block heater    
K19 A.I.R. smog pump 1966-  
K24 Closed ventilation PCV -1964-  
K30 Cruise control    
K66 Transistor ignition    
K72 Emission control delete    
K75 Emission control delete    
K76 61 amp alternator    
K77 55 amp alternator    
K79 42 amp alternator    
K81 62 amp alternator    
K85 63 amp alternator    
K21 Engine controlled combustion system    
K45 Air cleaner   Oil bath type 1 lb. capacity
K46 Air cleaner   H.D. pre cleaner
K47 Air cleaner   Oil bath-pre cleaner
KD5 H.D. PCV system    
L08 Engine emission CHI 1972  
L14 307 CID V8 1968-73  
L22 250 CID 6 cylinder    
L26 230 CID 140hp 6 cylinder    
L30 327 CID V8 250hp 4bbl -1963+ $83.95 for 1963
L31 409 CID V8 400hp 1963-65 (special high performance-solid lifter cam/1-4bbl) $320.63 for 1963
L33 409 CID V8 340hp 1963-65 Low performance-hydraulic cam/
L34 396 CID V8 350hp    
L35 396 CID V8 325hp    
L36 427 CID V8    
L46 350 CID V8    
L48 350 CID V8 300hp    
L61 230 CID 6 cylinder    
L62 --- CID 6 cylinder   High performance
L63 --- CID 6 cylinder   Special high performance
L65 350 CID V8 250hp    
L66 396 CID V8 265hp 1969- 2 barrel
L68 427 CID V8   High performance 3-2 bbls
L71 427 CID V8   Special high performance 3-2 bbls
L72 427 CID V8 425hp    
L73 327 CID V8 250hp    
L73 396 CID V8   Special high performance
L74 327 CID V8 300hp 1963+ $137.75 for 1963
L75 327 CID V8 300hp    
L76 327 CID V8 340hp    
L77 283 CID V8 220hp   4 barrel carb
L78 396 CID V8 375hp    
L79 327 CID V8 350hp   Special high performance
L80 409 CID V8 425hp 1963-64 Dual 4 barrel carburetors ($56.00 for 1963)
L74 327 CID V8 360hp   fuel injection
L85 250 CID L6   4 barrel carb
L87 --- CID 6 cylinder   Turbo charged
L88 427 CID V8   Heavy duty
L89 396 CID V8 375hp   Aluminun heads
L90 250 CID CID 6 cylinder   Low compression
LF6 400 CID V8 225hp 1970- 2 barrel
LF7 327 CID V8   2 barrel
LM1 350 CID V8 255hp 1969- 4 barrel
LS1 427 CID V8 1969- 4 barrel
LS3 400 CID V8 330hp   4 barrel
LS3 402 CID V8 300hp 1971  
LS3 402 CID V8 240hp 1972  
LS4 454 CID V8 235hp 1970- 4 barrel
LS5 454 CID V8 360hp 1970 4 barrel
LS5 454 CID V8 365hp 1971 4 barrel
LS5 454 CID V8 270hp 1972 4 barrel
LS6 454 CID V8 450hp 1970 Spec. hi-perf. & 4 bbl
LS7 454 CID V8   Heavy duty & 4 barrel
LT1 350 CID V8   Special high performance
LT4 400 CID V8 180hp    
M10 Overdrive 1963+  
M11 Floor shift transmission    
M13 H.D. clutch    
M20 4 speed standard transmission   Muncie
M21 Muncie 4 speed close ratio transmission 1963- $236.75 for 1963
M22 4 speed H.D. transmission   Muncie
M35 Powerglide 2 spd automatic trans. 1963+ $199.10 for 1963
M38 Turbo 350 automatic trans.    
M40 Turbo 400 automatic trans. 1966-  
M55 Transmission cooler    
MB1 2-Speed Trans.-Manual Shift    
MO1 H.D. 11 inch clutch    
MC1 H.D. 3 spd transmission    
N03 Gas tank-36 1/2 gallons    
N10 Dual exhaust    
N11 Off road service exhaust    
N14 Side mounted dual exhaust    
N30 Deluxe steering wheel 1967-  
N31 Custom steering wheel    
N32 Steering wheel-wood    
N33 Tilt steering 1963-  
N34 Steering wheel-simulated wood 1964+ $32.30 for 1964
N36 Telescopic steering column 1966  
N37 Tilt steering/telescopic 1966  
N40 Power steering 1963, 1964- $86.10 for 1964
N41 Power steering    
N44 Special steering    
N61 Dual exhaust-deep tone muffler    
N65 Space saving spare tire    
N66 Supersport wheel, hub cap & trim ring    
N89 Aluminum wheel   15" X 6"
N95 Wire wheel covers    
N96 Simulated magnesium wheel covers    
NA9 Evaporative emission controls    
NB2 Exhaust emission    
NC8 Chambered exhaust system    
NF2 Dual exhaust-deep tone muffler    
NK1 Cushioned steering wheel    
NK2 Deluxe vinyl steering wheel    
NK4 Sport steering wheel 1971-  
P01 Wheel trim cover 1963+ $18.30 for 1963
P02 Simulated wire wheels 14 inch 1963-1964 $57.05 for 1964
P05 Chrome wheel 14 inch 1963  
P06 Wheel trim rings    
P12 14X6 JK wheel    
P19 Spare tire lock    
P42 15X6 J wheel    
P48 15X6 L wheel    
P48 Cast aluminum knock off wheels   Corvette
P49 Chrome wheel    
P58 7.35 X 14 4 py whitewall rayon   tubeless
P60 7.50 X 14 4 ply blackwall nylon   tubeless
P61 7.50-14 4 ply whitewall nylon    
P62 7.50 X 14 4 ply whitewall rayon 1963+ $31.55 for 1963
P63 7.50 X 14 6 ply blackwall rayon    
P65 7.75 X 14 4 ply blackwall rayon   tubeless
P67 6.95-14 whitewall tire    
P70 7.35 X 14 4 ply blackwall nylon   tubeless
P75 8.00 X 14 4 ply blackwall rayon 1963- tubeless
P76 8.00 X 14 4 ply blackwall nylon 1963- tubeless
P77 8.25 X 14 4 ply whitewall rayon 1963- (tubeless) $35.80
P90 6.70 X 15 4 ply blackwall rayon   tubeless
P91 6.70 X 15 4 ply blackwall nylon   tubeless
P92 7.75x15 Whitewall Tires    
P93 6.70 X 15 4 ply blackwall rayon   Tube
P94 6.70 X 15 4 ply blackwall nylon   Tube
P95 6.70 X 15 4 ply blackwall nylon   Tube
P97 7.75 X 15 4 ply blackwall nylon   Tube
PA2 Simulated magnesium wheel covers    
PA3 Deluxe wheel covers    
PE1 Turbine 1 wheels    
PE3 Turbine 2 wheels    
PK2 G78-14 White stripe tire    
PK4 G70-14 Red stripe tire    
PL3 E78-14 White stripe tire    
PL4 F70-14 White letter tire    
PL5 F70-14 White letter tire    
PM6 G78-14 White stripe tire    
PM7 F60-15 White letter tire    
PN5 7.75-14 8 ply tire    
PQ7 8.25-14 White stripe tire    
PR3 8.25-14 8 ply White stripe tire    
PU8 G78-15 White stripe tire    
PL2 E78-14 Blackwall tire    
PW7 F70-14 White stripe tire    
PW8 F70-14 Red stripe tire    
PX5 F78-14 Blackwall belted tire    
PX6 F78-14 White stripe tire    
PX8 G70-14 White stripe tire    
PX9 G70-14 Dual White stripe tire    
PY4 F70-14 White stripe tire    
PY5 F70-14 Red stripe tire    
PY7 G70-14 Red stripe tire    
PH1 15X7 wheel    
Q01 6.70 X 15 6 ply blackwall rayon   tubeless
Q03 8.15 X 15 4 ply blackwall rayon   Tube
Q04 7.10 X 15 4 ply blackwall rayon   tubeless
Q05 7.10 X 15 4 ply blackwall nylon   tubeless
QB1 7.75x15 Redline Tires    
QDR GR78-15 radial whitewall    
QEH E78-14 bias ply whitewall    
QEL HR78-15 radial whitewall    
QGF G70-14 bias ply whitewall    
QGK G78-14    
QGL GR78-14 bias ply whitewall    
QHE H78-14 bias ply    
QHF H78-14 bias ply whitewall    
QQZ HR70-15 radial whitewall    
QRM GR70-15 radial whitewall    
QRN GR70-15 radial    
QRV HR70-15 radial    
QRZ GR701-15 radial white letter    
T07 7.75-14 White stripe tire    
T11 6.95-14 8 ply tire    
T14 7.75 X 14 8 ply blackwall rayon    
T15 7.75-14 8 ply tire    
T18 8.25 X 14 8 ply blackwall nylon    
T19 8.25 X 14 8 ply whitewall nylon    
T25 7.75-15 8 ply blackwall rayon   tubeless
T27 7.75-15 8 ply blackwall rayon   tube
T58 Rear wheel skirts    
T60 Heavy duty battery 1963- $7.55 for 1963
T74 Left hand rule of road   This was for exported cars and had to do with the aiming of headlights for LH driving
T78 Front fender running lamp    
T81 Headlamp light watch/off control    
T83 Retractable headlamp cover    
T86 Back up lamps 1963, 1964-  
TJ2 Front fender louver    
U03 Low "D" note horn    
U05 Dual horn    
U08 Horn, dual electric 1972  
U14 Instrument panel gauges    
U15 Speed warning indicator 1967-  
U16 Tachometer -1964-  
U17 Front compartment console instrument cluster    
U18 Export speedometer    
U23 Ignition lock light    
U25 Luggage compartment light 1963, 1964-  
U26 Under hood light    
U27 Glove compartment light -1964-  
U28 Ashtray light    
U29 Instrument panel courtesy lights    
U35 Electric clock    
U46 Lamp monitoring    
U57 8 track tape player    
U58 Radio AM/FM    
U60 Radio-AM-manual tuning 1963+ $47.90 for 1963
U63 Radio AM push button (deluxe) 1963, 1964- $58.65 for 1964
U65 Signal seeking AM radio    
U69 Radio AM/FM push button 1963+ $136.70 for 1964
U73 Manual antenna-rear 1963, 1964-  
U75 Power antenna-rear    
U76 Windshield antenna    
U79 Radio-stereo    
U80 Rear seat speaker 1963, 64-  
UA1 Heavy duty battery    
UA6 Horn alarm system    
UF1 Mirror map light 1969-1972  
UF7 Econominder gauge package    
UM1 Radio AM/tape player 1970-  
UM2 Radio AM/FM/tape player    
V01 Heavy duty radiator    
V02 Heavy duty radiator 1964  
VE3 Special front bumper    
VE5 Deluxe bumper strips    
VF3 Deluxe front & rear bumper    
V30 Bumper gaurds-front & rear (set)    
V31 Front bumper gaurds 1964-1970  
V32 Rear bumper gaurds 1964-1970  
V54 Roof rack-deluxe-adjustable    
V55 Carrier, roof luggage    
V74 Hazard warning equipment 1966  
V75 Traction dispenser    
W81 Bumper face bar taping    
W89 Touch up paint    
X14 Export Preperation-coating    
YC1 Differential carrier   3.08 posi
YC2 Differential carrier   3.36 posi
YC3 Differential carrier   3.55 posi
YC4 Differential carrier   4.11 posi
YC6 SS 454 conversion    
YE7 Special Performance package 1971-1972 This was used on the 71-72 GMC Sprints
YF3 Heavy Chevy package   Used on Chevelles
YF5 Emission tested    
YF8 Black stripes    
Z01 Comfort & convience equipment 1963-67 Includes; inside mirror, standard outside mirror, 2 speed wiper/washer, back up lights, glove box light, trunk light, and window washer fluid bottle. $30.15 for 1963
Z02 Pushbutton radio & extra speaker 1963- $69.95 for 1963, $72.10 for 1964
Z03 Supersport package 1963- Includes bucket seats, wheel trim, emblems, side molding inserts, console, floor cover plate & floor mounted shifter$161.40
Z04 Heavy duty chassis    
Z05 Carburetor, economy    
Z06 SS 396    
Z06 Special performance equippment package   Corvette
Z08 Body molding/trim    
Z09 Performance rear axle 1970+  
Z11 The aluminum nosed 430hp 427 Impala 1963 only Also see: Z-11 fact page
Z-11 trivia page
Z12 Speedometer driven gear & fitting    
Z13 Confort & convenience equipment 1967 Same as Z01 except w/remote control mirror
Z14 Air conditioning (all weather) body conversion    
Z15 SS 454    
Z16 Special sport coupe    
Z17 Special suspension/steering   Monte Carlo SS
Z18 Caprice Custom Sedan 1965 only This was the optional Caprice package that could be added to the Impala 4 door sport sedan. This is the only year the Caprice was an option.
Z19 Convenience group    
Z20 Monte Carlo SS 454    
Z21 Exterior moldings 1967-  
Z22 Rally sport package 1967-  
Z23 Interior decor package 1967-  
Z24 SS 427    
Z25 SS 396    
Z26 Supersport    
Z27 Supersport    
Z28 Special engine    
Z29 Vinyl stripe    
Z49 Canadian base equipment    
Z51 Spirit of America packages   Included special red, white and blue trim, stripes, and interior-Available on Nova, Impala and Vega
Z52 Full foam seat    
Z53 Amp, oil pressure and temperature gauge    
Z55 Special VIN plate    
Z57 Vinyl coated trim    
Z67 Speedometer driven gear adapter/keys    
Z83 Road hazzard package 1966  
Z87 Deluxe interior    
Z95 Regular fuel engine equipment    
ZJ1 Custom exterior    
ZJ3 Interior convenience package    
ZJ5 Exterior decor    
ZJ6 Special sport sedan 1968+  
ZJ7 Rally wheels    
ZJ9 Auxillary lighting group   Included; map light mirror, trunk light, underhood light, ashtray light and courtesy lights.
ZK1 Body insulation package    
ZK3 Deluxe seat belts & front shoulder harness 1968+  
ZK5 Concours sedan 1968  
ZK6 Concours sport coupe 1968  
ZK7 Concours sport coupe 1968  
ZK8 Tire pressure label 1970  
ZR8 Alternate stripe color (SS)    
ZKQ Tire pressure decal    
ZL2 Special hood, cowl induction 1970+  
ZL3 SS 396    
ZP2 Trim & paint color override   This was used when a car had an exterior/interior color combination that was not normally used.
ZP3 Special paint    
ZP5 Appearance gaurd group    
ZQ2 Operating convenience group    
ZQ7 Canadian warranty booklet & misc. literature    
ZQ9 Rear axle   Performance ratio
ZR1 Off road package (LT1)    
ZR2 Off road package (LS7)    
ZW4 Standard 3 speed transmission 1970