| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2380 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.6857 INCHES MINIMUM AND 0.6957 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 30.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.2790 INCHES MINIMUM AND 0.2850 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.1602 INCHES MINIMUM AND 0.1812 INCHES MAXIMUM |
| HEAD STYLE | MUSHROOM |
| OUTSIDE DIAMETER | 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 35.5 ROCKWELL C MINIMUM OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 43.1 ROCKWELL C MAXIMUM OVERALL |
| NECK RADIUS | 0.3750 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| SECOND GROOVE DIAMETER | 0.2980 INCHES MINIMUM AND 0.3040 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.2790 INCHES MINIMUM AND 0.2840 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |
| STEM DIAMETER | 0.3405 INCHES MINIMUM AND 0.3415 INCHES MAXIMUM |
| STEM LENGTH | 5.2145 INCHES MINIMUM AND 5.2245 INCHES MAXIMUM |