| DISTANCE FROM HOLE CENTER TO STEM END | 0.1875 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.1094 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| HOLE DIAMETER | 0.0960 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.9790 INCHES MINIMUM AND 0.9890 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 41.0 ROCKWELL C MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MAXIMUM STEM |
| NECK RADIUS | 0.3437 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.2480 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM |
| STEM LENGTH | 3.1669 INCHES MINIMUM AND 3.1769 INCHES MAXIMUM |
| STEM STYLE | DRILLED |