| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 0.2812 INCHES NOMINAL |
| 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 | 0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| NECK RADIUS | 0.4375 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.3730 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| SPECIAL FEATURES | WITH VALVE KEEPERS |
| STEM DIAMETER | 0.3725 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM |
| STEM LENGTH | 4.5265 INCHES NOMINAL |
| STEM STYLE | GROOVED |