1981 |
GMC C2500
5.7L V8 Gas OHV
| 8 | Platinum Plus
Gap 0.045 in
Heavy Duty |
5.7L V8 Gas OHV
Platinum Plus
Gap 0.045 in
Heavy Duty
8 Per Vehicle
|
1981 |
GMC C2500
7.4L V8 Gas OHV
| 8 | Platinum Plus
Gap 0.045 in
|
7.4L V8 Gas OHV
Platinum Plus
Gap 0.045 in
8 Per Vehicle
|
|
GMC C2500
4.8L l6 Gas OHV
| 6 | Platinum Plus
Gap 0.035 in
|
4.8L l6 Gas OHV
Platinum Plus
Gap 0.035 in
6 Per Vehicle
|
