| DISTANCE FROM GROOVE TO STEM END | 0.2969 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0156 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.2200 INCHES NOMINAL |
| HEAD STYLE | MUSHROOM |
| OUTSIDE DIAMETER | 1.5060 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 26.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 36.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 46.0 ROCKWELL C MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 54.0 ROCKWELL C MAXIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 72.0 ROCKWELL B NOMINAL HEAD |
| NECK RADIUS | 0.4375 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM DIAMETER | 0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM |
| STEM LENGTH | 4.3180 INCHES MINIMUM AND 4.3380 INCHES MAXIMUM |
| STEM STYLE | GROOVED |