
FRAME
Markings
SPRINGS, FRONT
Springs, Rear
Steering
Superlift Air Shocks
Suspension, Front
Suspension, Rear
VEHICLE WEIGHTS
Two charts are shown for rear springs. The first is a list of code letters and part numbers from the Assembly Instruction Manual. The second set is from data supplied from my Chevrolet Parts & Accessories Catalog. Another case where part numbers differ in some cases.
The springs vary with application and chassis packages, but there is one thing that is important: 1968-72 A-cars have a different front spring diameter when compared to 1964-67 front springs ("Knuckle Sandwich", Hot Rod, 6/87). 1969-present springs are based on computerized data concerning chassis package and body styles, but the rates vary, in which a softer or stiffer ride is preferred.
Note: 1964-67 front springs can be found on 1967-69 Camaros and 1968-74 Novas, but the spring rates will differ. 1968-72 A-body front springs are used on 1968-70 BOP full size cars, but the spring rates vary.
| CODE COLORS - BLACK PRINT ON RED TAPE | |
| CODE LETTERS | PART NUMBER |
| GR | 3850966 |
| AZ | 3866570 |
| GT | 3870479 |
| GG | 3881624 |
| GM | 3881627 |
| AA | 3856589 |
| AB | 3890620 |
| GA | 3895808 |
| GB | 3895809 |
| GC | 3895810 |
| GD | 3895811 |
| GE | 3895812 |
| GF | 3895813 |
| GH | 3895814 |
| GI | 3895915 |
| GJ | 3895816 |
| GK | 3895817 |
| GS | 3870477 |
| AI | 3856587 |
| AH | 3866286 |
| AJ | 3857692 |
| AQ | 3850967 |
| AR | 3851065 |
| AW | 3866294 |
| AC | 3870475 |
| Model | 13100 | 13200 | 13300 | 13400 | ||||||||
| Body Style | 11 | 69 | 11 | 69 | 11 | 35 | 69 | 80 | 11 | 35 | 69 | 80 |
| PROD. 3 SPD. TRANS RPO M35 & M40 AUTO TRANS. |
GA | GA | GD | GD | GA | GA | GA | GC | GD | GD | GC | AH |
| RPO L30 | GC | GD | GC | GG | GD | AH | ||||||
| RPO C60 | GC | GC | GE | GE | GC | GD | GD | GG | GE | GH | GE | GI |
| WITH RPO L30 | GE | GF | GE | GF | GH | GI | ||||||
| RPO F40 | AW | AW | AA | AQ | AW | AR | AJ | AW | AA | AJ | AQ | AA |
| WITH RPO L30 | GR | AA | GR | AJ | AA | AQ | ||||||
| WITH RPO C60 | AA | AA | AQ | AQ | AA | AW | AA | GR | AQ | AA | AQ | GJ |
| WITH RPO C60 & L30 | AQ | GJ | AQ | AQ | GJ | GJ | ||||||
| WITH RPO L34-35-78 | GS | |||||||||||
| WITH RPO L34-35-78 & C60 | GT | |||||||||||
| RPO L34-35-78 | AZ | |||||||||||
| WITH RPO C60 | GM | |||||||||||
| Model | 13500 | 13600 | 13800 | ||||||||||||
| Body Style | 17 | 35 | 39 | 67 | 69 | 80 | 17 | 35 | 39 | 67 | 69 | 80 | 17 | 67 | 35 |
| PROD. - 3 SPD. TRANS RPO M35 & M40 AUTO TRANS. |
GB | GA | GB | GA | GB | GC | GG | GG | GF | GF | GG | AH | AA | AQ | |
| RPO L30 | GD | GG | GG | GG | GD | AH | |||||||||
| RPO C60 | GD | GD | GC | GC | GD | GG | GE | GH | GF | GF | GE | GI | GJ | GJ | |
| WITH RPO L30 | GF | GH | GH | GH | GF | GI | |||||||||
| RPO F40 | AR | AR | AJ | AI | AJ | AW | AJ | AJ | AA | AW | AQ | AA | AB | AB | |
| WITH RPO L30 | AW | AJ | AQ | AJ | AA | AQ | |||||||||
| WITH RPO C60 | AJ | AW | GR | AW | AA | GR | GR | AA | GJ | AA | AQ | GJ | AC | AC | |
| WITH RPO C60 & L30 | AA | AQ | GJ | AA | GJ | GJ | |||||||||
| WITH RPO L34-35-78 | GS | AB | AB | ||||||||||||
| WITH RPO L34-35-78 & C60 | GT | AC | AC | ||||||||||||
| RPO L34-35-78 | AZ | AA | AQ | ||||||||||||
| WITH RPO C60 | GM | GJ | GJ | ||||||||||||



| 1. 1365067 Nut | 2.
384220 Bumper 2. 9770780 Bumper 13817-67 |
3. 579140 Bumper Asm. | 4. 9418931 Nut |
| 5. 3846202 Screw Asm. | 6.
3186918 Shock
Absorber (Except station wagon, pickup & F40) 6. 3178155 Station wagon, pickup & F40 |
7. 5544409 Retainer | 8. 381957 Grommet |
Note: Chevrolet P&A shows only Delco replacement shock absorbers and items #1, #7, and #8 are included with the shock absorber.