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Engine Family: N855 Big Cam IV
This special fixture is used to bore the thermostat cover spring bore .140 in. deeper to reduce the thermostat spring load and change the thermostat operation.
NOTE: This kit must be used without a drill press. Use 3823173 Kitfor drill press operation.
| Ref. No. | Part No. | Description |
| 3 | 3823169 | Cover Boring Cutter |
| 4 | 3823170 | Depth Stop Bearing |
| 5 | 3823171 | Depth Stop Gauge |
Last Modified: 31-Jul-2003
