| Reference
# |
Measurement |
Number of leaves |
Application |
21-181 |
26-32 |
4 |
Chevrolet
Passenger Car Rear 55-57 2" Wide |
21-201 |
26-32 |
5 |
Chevrolet
Passenger Car Rear 55-57 HD, also Station Wagon 55-57 2" Wide |
21-211 |
24-27 |
4 |
Corvette
Rear 53-62 (built to original equipment specs, except solid steel
instead of grooved steel) 2" Wide |
21-213 |
24-27 |
5 |
Corvette
Rear HD 53-62 2" Wide |
21-221 |
25-37.5625
|
3 |
Chevy
11 Nova 3 Leaf Replacement for Original Single Leaf 62-67 |
|
21-309 |
2.25
WIDE |
7-Shim |
Corvette
HD Rear 63-78 |
21-307 |
2.25
WIDE |
6/3
|
Corvette
Rear Spring 1963-78 |
21-297 |
25-31 |
5 |
Camaro,
Firebird, Nova, Skylark, Ventura, Omega Rear 68-83 Some models may
require shims |
80-335 |
25-31 |
4
SHIM |
Camaro,
Firebird High Performance HD Rear 68-81 |
21-245 |
25-31 |
3 |
Camaro,
Firebird Nova 3 Leaf replacement spring for original single leaf
2.5 wide |
21-339 |
25-31 |
5
SHIM |
Camaro,
Firebird, Nova, Phoenix, Skylark, Ventura Omega Rear 68-81 |
21-361 |
25-31 |
6
SHIM |
Nova,
Phoenix, Skylark, Ventura, Omega Rear 68-81 |
21-339 M.L |
25-31 |
1 |
GM Main
Leaf with RB95 Bushing |
17-425 |
25-31.8125 |
9 |
GM Station
Wagon Rear 71-76 |
18-331 |
25-31 |
5
PAD |
Cadillac
Seville Rear 76-79 |
21-385 |
2.5
WIDE |
9 |
Corvette
HD Rear 79-82 |