| DISTANCE FROM GROOVE TO STEM END | 0.2010 INCHES MINIMUM AND 0.2030 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| GROOVE DIAMETER | 0.2760 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0790 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| III MATERIAL AND LOCATION | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C MINIMUM TIP |
| NECK RADIUS | 0.3750 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.7600 INCHES MINIMUM AND 1.7700 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 45.5 |
| STEM DIAMETER | 0.4015 INCHES MINIMUM AND 0.4020 INCHES MAXIMUM |
| STEM LENGTH | 4.2000 INCHES MINIMUM AND 4.2100 INCHES MAXIMUM |
| TAPER ANGLE IN DEG | 15.0 |