CHEVROLET / GMC PASSENGER CAR LEAF SPRINGS
CHEVROLET REPLACEMENT SPRINGS PASSENGER REAR
| Year | Model | Part # | Width | Leaves | Length | Arch/td> |
|---|---|---|---|---|---|---|
| FULL SIZE | ||||||
| Full Size; Rear(1949-57)All(1949-54) | ||||||
| 48-53 | Business Coupe | 21-167 | 1-3/4 | 7 | 23-3/32x25-29/32 | 6-3/4 |
| 48-52 | Except Business Coupe | 21-163 | 1-3/4 | 7 | 23-3/32x25-29/32 | 7-3/4 |
| 53-54 | Except Business Coupe | 21-171 | 1-3/4 | 7 | 23-3/32x25-29/32 | 9 |
| 48-54 | Heavy | 21-165 | 1-3/4 | 8 | 23-3/32x25-29/32 | 8-1/8 |
| 48-54 | Wagon | 21-169 | 1-3/4 | 8 | 23-3/32x25-29/32 | 8-3/4 |
| 48-54 | Wagon; Heavy | 21-179 | 1-3/4 | 8 | 23-3/32x25-29/32 | 7-3/4 |
| All 1955-57 | ||||||
| 55-56 | 2 & 4 Door Sedans | 21-181 | 2 | 4 | 26x32 | 7-1/2 |
| 55-56 | 2 & 4 Door Sedans; Heavy | 21-185 | 2 | 5 | 26x32 | 7-1/4 |
| 55-56 | Sedan Delivery, Convertible, Nomad | 21-185 | 2 | 5 | 26x32 | 7-1/4 |
| 55-56 | Wagon | 21-183 | 2 | 5 | 26x32 | 7-1/8 |
| 55-56 | Wagon; Heavy | 21-205 | 2 | 6 | 26x32 | 7-5/8 |
| 57 | 2 & 4 Door Sedans | 21-199 | 2 | 4 | 26x32 | 8-1/2 |
| 57 | 2 & 4 Door Sedans; Heavy | 21-201 | 2 | 5 | 26x32 | 8-3/4 |
| 55-57 | 2 & 4 Door Sedans; 2-1/2" Lift | 21-907 | 2 | 5 | 26x32 | 9 |
| 57 | Sedan Delivery, Convertible, Nomad | 2 | 5 | 26x32 | 8-3/4 | |
| 57 | Wagon | 21-203 | 2 | 5 | 26x32 | 8-3/8 |
| 57 | Wagon; Heavy | 21-205 | 2 | 6 | 26x32 | 7-5/8 |
| FULL SIZE WAGONS | ||||||
| 71-73 | 2 or 3 Seat | 21-315 | 2-1/2 | 8/shim | 25-3/16x31-13/16 | 6-3/8 |
| 71-73 | 2 or 3 Seat; Heavy | 21-311 | 2-1/2 | 7/shim | 25-3/16x31-13/16 | 5 |
| 74-76 | 2 or 3 Seat | 21-317 | 2-1/2 | 9/shim | 25-3/16x31-13/16 | 7 |
| 74 | 2 or 3 Seat; Heavy | 17-409 | 2-1/2 | 8/shim | 25-3/16x31-13/16 | 5-3/4 |
| 75-76 | 2 or 3 Seat; Heavy | 21-371 | 2-1/2 | 7/shim | 25-3/16x31-13/16 | 6-1/4 |
| CORVETTE | ||||||
| 1953-62 | ||||||
| 60-62 | Standard | 21-211 | 2 | 4 | 24x27 | 5-1/4 |
| 60-62 | Heavy | 21-213 | 2 | 5 | 24x27 | 4 |
| 1963-77 | ||||||
| 63-77 | Standard | 21-225 | 2-1/4 | 9 | 24-5/16x23-3/16 | 10 |
| 63-77 | Standard; Two Stage | 21-307 | 2-1/4 | 6/3 | 24-5/16x23-3/16 | 10-1/4 |
| 63-77 | Standard; Heavy | 21-379 | 2-1/4 | 10 | 24-5/16x23-3/16 | 8 |
| 63-77 | Improved Handling | 21-227 | 2-1/4 | 7 | 24-5/16x23-3/16 | 6-1/4 |
| 63-77 | Racing | 21-393 | 2-1/4 | 6/pd | 24-5/16x23-3/16 | 4-7/8 |
| 63-77 | Racing | 21-381 | 2-1/4 | 7/pd | 24-5/16x23-3/16 | 4-5/8 |
| 1978-82 | ||||||
| 78-82 | Standard | 21-383 | 2-1/2 | 10 | 24-5/16x23-3/16 | 9-1/4 |
| 78-82 | Heavy | 21-377 | 2-1/2 | 10 | 24-5/16x23-3/16 | 10 |
| 78-82 | Improved Handling | 21-385 | 2-1/2 | 9 | 24-5/16x23-3/16 | 6-1/4 |
| CHEVY II & NOVA | ||||||
| Chevy II & Nova (62-67) | ||||||
| 62-67 | Standard (Single Leaf) | 21-221 | 2-1/2 | 1 | 25x37-9/16 | 7-3/8 |
| 62-67 | Standard | 21-221R | 2-1/2 | 3 | 25x37-9/16 | 7-3/8 |
| 65-67 | V8; High Performance | 21-237R | 2-1/2 | 3 | 25x37-9/16 | 4-3/4 |
| 62-67 | Wagon | 21-223R | 2-1/2 | 3 | 25x37-9/16 | 6-1/8 |
| Part numbers ending in "R" are replacements for original single leaf springs | ||||||
| Nova (68-79) | ||||||
| 68-69 | Except 327 V8 4 Speed(Single Leaf) | 21-245 | 2-1/4 | 1 | 25x31 | 6-1/2 |
| 68-69 | Except 327 V8 4 Speed | 21-245R | 2-1/2 | 3 | 25x31 | 6-3/8 |
| 68-69 | 327 V8 4 Speed | 21-267 | 2-1/2 | 5 | 25x31 | 8-1/4 |
| 70-72 | 6 (Single Leaf) | 21-245 | 2-1/2 | 1 | 25x31 | 6-1/2 |
| 70-72 | 6 | 21-245R | 2-1/2 | 3 | 25x31 | 6-3/8 |
| 70-72 | 8 | 21-365 | 2-1/2 | 5 | 25x31 | 6-1/2 |
| 70-72 | 6,8; Heavy | 21-339 | 2-1/2 | 5 | 25x31 | 7-1/8 |
| 73-79 | 6 | 21-365 | 2-1/2 | 5 | 25x31 | 6-1/2 |
| 73-79 | 6; Hatchback | 21-361 | 2-1/2 | 6/shim | 25x31 | 7-3/4 |
| 73-79 | 8 | 21-339 | 2-1/2 | 5 | 25x31 | 7-1/8 |
| 73-79 | 6,8; Heavy | 21-341 | 2-1/2 | 6 | 25x31 | 7-1/2 |
| 68-72 | 2-1/2" Lift; ReplacesSingle Leaf Springs | 21-901 | 2-1/2 | 5 | 25x31 | 8-1/2 |
| 68-79 | 2-1/2" Lift; ReplacesMultileaf Springs | 21-915 | 2-1/2 | 5/pd | 25x31 | 8-1/2 |
| Part numbers ending in "R" are replacements for original single leaf springs | ||||||
| CAMARO | ||||||
| 1967-69 | ||||||
| 67 | Standard (Single Leaf) | 21-245 | 2-1/4 | 1 | 25x31 | 6-1/2 |
| 67 | Standard (replacment for single leaf) | 21-245R | 2-1/2 | 3 | 25x31 | 6-3/8 |
| 67 | 6; Road Racing Only | 21-255 | 2-1/2 | 4 | 25x31 | 5-5/8 |
| 68-69 | Except as noted below(Single Leaf) | 21-245 | 2-1/4 | 1 | 25x31 | 6-1/2 |
| 68-69 | Except as noted below | 21-245R | 2-1/2 | 3 | 25x31 | 6-3/8 |
| 68-69 | 6; Road Racing Only | 21-255 | 2-1/2 | 4 | 25x31 | 5-5/8 |
| 68-69 | Coupe; 327 4 Speed,350 & 396 all | 21-287 | 2-1/2 | 5 | 25x31 | 7-3/8 |
| 68-69 | Convertible; 327 4 Speed,350 & 396 all | 21-267 | 2-1/2 | 5 | 25x31 | 8-1/4 |
| 67-69 | 2-1/2" Lift; ReplacesSingle Leaf Springs | 21-901 | 2-1/2 | 5 | 25x31 | 8-1/2 |
| 67-69 | 2-1/2" Lift; ReplacesMultileaf Springs | 21-915 | 2-1/2 | 5/pd | 25x31 | 8-1/2 |
| Part numbers ending in "R" are replacements for original single leaf springs | ||||||
| 1970-1981 | ||||||
| 70-73 | 6 | 21-295 | 2-1/2 | 4/2/shim | 25x31 | 7-5/8 |
| 70-73 | 8 | 21-297 | 2-1/2 | 5 | 25x31 | 8-1/8 |
| 70-73 | 8; High Performance | 80-335 | 2-1/2 | 4/shim | 25x31 | 6-1/8 |
| 74-81 | 6,8 | 21-297 | 2-1/2 | 5 | 25x31 | 8-1/8 |
| 74-81 | 8; Heavy | 21-345 | 2-1/2 | 5 | 25x31 | 9 |
| 74-81 | 8; High Performance | 80-335 | 2-1/2 | 4/shim | 25x31 | 6-1/8 |