| Model | Part# |
| Harley-Davidson Sportster 65-79 | CHD-1 |
| Harley-Davidson Big Twin (5 ohm) 65-79 | CHD-1 |
| Harley-Davidson Sportster 80-84 | CHD-2 |
| Harley-Davidson Big Twin (3.5 ohm) 80-84 | CHD-2 |
| Harley-Davidson 883 XL H-D#31614-83A 85-03 | CHD-3 |
| Harley-Davidson 1200 XL H-D#31614-83A 85-03 | CHD-3 |
| Harley-Davidson Big Twin (Except 98-05 1200S FI, 99-05 Twin Cam, FI Models) 3.5 ohm H-D#31614-83A 85-03 | CHD-3 |
