| DISTANCE FROM HOLE CENTER TO STEM END | 0.1460 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | INCLUDED |
| CHAMFER ANGLE IN DEG | 30.0 |
| CHAMFER LENGTH | 0.0460 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| HOLE DIAMETER | 0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.8330 INCHES MINIMUM AND 0.8530 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MATERIAL | STEEL COMP 3140 STEM |
| NECK RADIUS | 0.1875 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | DRILLED |
| STEM DIAMETER | 0.2375 INCHES MINIMUM AND 0.2575 INCHES MAXIMUM |
| STEM LENGTH | 2.6870 INCHES MINIMUM AND 2.7070 INCHES MAXIMUM |