| DISTANCE FROM HOLE CENTER TO STEM END | 0.1560 INCHES NOMINAL0.1560 INCHES NOMINAL |
| CARBON RELIEF GROOVE | NOT INCLUDEDNOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.045.0 |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL0.0312 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINEGASOLINE ENGINE |
| HEAD HEIGHT | 0.1450 INCHES NOMINAL0.1450 INCHES NOMINAL |
| HEAD STYLE | FLATFLAT |
| HOLE DIAMETER | 0.1020 INCHES NOMINAL0.1020 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.8437 INCHES NOMINAL0.8437 INCHES NOMINAL |
| MATERIAL | COBALT ALLOY SEAT FACECOBALT ALLOY SEAT FACE |
| MATERIAL | STEEL HEADSTEEL HEAD |
| MATERIAL | STEEL STEMSTEEL STEM |
| NECK RADIUS | 0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.045.0 |
| SPECIAL FEATURES | W/TWO BORE HOLES 0.110 IN. DIA ON HEADW/TWO BORE HOLES 0.110 IN. DIA ON HEAD |
| STEM DIAMETER | 0.2490 INCHES MINIMUM AND 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM0.2500 INCHES MAXIMUM |
| STEM LENGTH | 3.4175 INCHES NOMINAL3.4175 INCHES NOMINAL |
| STEM STYLE | DRILLEDDRILLED |