| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 0.3600 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| GROOVE DIAMETER | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM |
| GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0940 INCHES MINIMUM AND 0.1190 INCHES MAXIMUM |
| HEAD STYLE | MUSHROOM |
| OUTSIDE DIAMETER | 1.8800 INCHES MINIMUM AND 1.9000 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 SHORE SCLEROSCOPE MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 60.0 SHORE SCLEROSCOPE MAXIMUM TIP |
| NECK RADIUS | 0.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 30.0 |
| STEM DIAMETER | 0.4339 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM |
| STEM LENGTH | 6.1090 INCHES NOMINAL |
| STEM STYLE | GROOVED |