| DISTANCE FROM SECOND GROOVE TO STEM END | 0.3890 INCHES MINIMUM AND 0.4020 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2360 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM |
| FIRST GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.1400 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM |
| HEAD STYLE | INVERTED CONE |
| OUTSIDE DIAMETER | 1.9710 INCHES MINIMUM AND 1.9810 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 42.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 42.0 ROCKWELL C NOMINAL TIP |
| NECK RADIUS | 1.0000 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| SECOND GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM |
| STEM DIAMETER | 0.3730 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM |
| STEM LENGTH | 5.7500 INCHES MINIMUM AND 5.7580 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |