Uprateability - 2004 ISC

• No parts changes required

• All 2003 ISC ratings have the same hardware

- Only difference in calibration
- 240 HP through 330 HP

• All 2003 ISL ratings have the same hardware

- Only difference in calibration
- 310 HP through 400 HP

• No hardware change for the 2 ISL transit bus ratings

- ISL 250 and 280