| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 30.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 0.2620 INCHES MINIMUM AND 0.2920 INCHES MAXIMUM |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1770 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| METALLIC HARDNESS RATING AND LOCATION | 43.0 ROCKWELL C MINIMUM TIP |
| NECK RADIUS | 0.3800 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.6470 INCHES MINIMUM AND 1.6570 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| STEM LENGTH | 5.8550 INCHES MINIMUM AND 5.8960 INCHES MAXIMUM |
| STEM STYLE | GROOVED |
| STEM DIAMETER | 0.3715 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM |