Factory have outdone everyone with their vernier type adjustable ignition rotors. This proprietary design is incrementally adjustable at 1 degree intervals plus or minus 7 degrees with a positive stop locking design which insures zero slippage and maximum reliability.
| Model | Year | Sudco No. |
| HONDA |
| CBR600F2/F3 | 91-98 | 027-470 |
| CBR900RR | 91-98 | 027-470 |
| CBR1100XX | 97-00 | 027-470 |
| KAWASAKI |
| ZX-10 | - | 027-472 |
| ZX-900 Ninja | 84-86 | 027-473 |
| ZX-11 | -99 | 027-474 |
| ZX-6R/ ZX-7R | 95-97 | 027-475 |
| 91-99 | 027-475 |
| ZX-9 | -99 | 027-475 |
| SUZUKI |
| GSXR750 | 86-87 | 027-476 |
| GSXR600/750 | 93-95 | 027-477 |
| GSXR1100 | -87 | 027-476 |
| GSXR1100 | 89-96 | 027-477 |
| RF600/900 | all years | 027-477 |
| RF900RR | 94-96 | 027-477 |
| GSX1100G | all years | 027-477 |
| GSF1200 Bandit | 96-00 | 027-477 |
| YAMAHA |
| FZR600/600 | - | 027-467 |
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