| DISTANCE FROM SECOND GROOVE TO STEM END | 0.4061 INCHES NOMINAL |
| CARBON RELIEF GROOVE | INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0132 INCHES NOMINAL |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2500 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.2400 INCHES MINIMUM AND 0.2460 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.5000 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.1330 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.6356 INCHES MINIMUM AND 1.6456 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 32.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 38.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| NECK RADIUS | 0.3750 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 30.0 |
| SECOND GROOVE DIAMETER | 0.2880 INCHES MINIMUM AND 0.2920 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.5000 INCHES NOMINAL |
| STEM DIAMETER | 0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM |
| STEM LENGTH | 4.1485 INCHES MINIMUM AND 4.1635 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |