| DISTANCE FROM MINOR DIAMETER TO STEM END | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0625 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.2350 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV1 HEAD |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, SAE EV1 STEM |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, SAE VF5 SEAT FACE |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM HEAD ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 44.0 ROCKWELL C MAXIMUM HEAD ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 44.0 ROCKWELL C MAXIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 48.0 SHORE SCLEROSCOPE MINIMUM TIP ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 58.0 SHORE SCLEROSCOPE MAXIMUM TIP ERR-100 |
| MINOR DIAMETER LENGTH | 0.2200 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM |
| MINOR OUTSIDE DIAMETER | 0.3330 INCHES MINIMUM AND 0.3340 INCHES MAXIMUM |
| NECK RADIUS | 0.3750 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.5480 INCHES MINIMUM AND 1.5580 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 44.0 |
| STEM DIAMETER | 0.4335 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM |
| STEM LENGTH | 5.5065 INCHES MINIMUM AND 5.5515 INCHES MAXIMUM |
| STEM STYLE | TAPERED |
| TAPER ANGLE IN DEG | 10.0 |