| DISTANCE FROM FIRST GROOVE TO STEM END | 0.0937 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.4072 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 30.0 |
| CHAMFER LENGTH | 0.0240 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.3660 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.1875 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.2340 INCHES NOMINAL |
| HEAD STYLE | MUSHROOM |
| III MATERIAL AND LOCATION | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 48.0 ROCKWELL C NOMINAL TIP |
| NECK RADIUS | 0.3125 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.5625 INCHES MINIMUM AND 1.5775 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.0 |
| SECOND GROOVE DIAMETER | 0.3660 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.1875 NOMINAL INCHES |
| STEM DIAMETER | 0.4335 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM |
| STEM LENGTH | 6.4840 INCHES NOMINAL |
| STEM STYLE | DOUBLE GROOVED |