| SECOND GROOVE WIDTH | 0.0460 NOMINAL MILS AND 0.0660 INCHES MAXIMUM |
| STEM DIAMETER | 0.3405 INCHES MINIMUM AND 0.3415 INCHES MAXIMUM |
| STEM LENGTH | 5.2145 INCHES MINIMUM AND 5.3245 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |
| 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 | 0.2980 INCHES MINIMUM AND 0.3040 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1290 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| III FSC APPLICATION DATA | GASOLINE ENGINE |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MINIMUM TIP |
| NECK RADIUS | 0.4375 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 50.0 |
| SECOND GROOVE DIAMETER | 0.2790 INCHES MINIMUM AND 0.2840 INCHES MAXIMUM |