DETROIT DIESEL 71 SERIES POPPET VALVE 5193197 NOS HEAD STYLE FLAT HEAD HEIGHT 0.1650 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM CHAMFER ANGLE IN DEG 45.0 GROOVE DIAMETER 0.2960 INCHES NOMINAL CHAMFER LENGTH 0.0312 INCHES NOMINAL GROOVE WIDTH 0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM OUTSIDE DIAMETER 1.5790 INCHES MINIMUM AND 1.5890 INCHES MAXIMUM SEAT ANGLE IN DEG 30.0 STEM STYLE GROOVED CARBON RELIEF GROOVE NOT INCLUDED NECK RADIUS 0.4840 INCHES NOMINAL STEM LENGTH 6.3440 INCHES NOMINAL STEM DIAMETER 0.3415 INCHES MINIMUM AND 0.3425 INCHES MAXIMUM DISTANCE FROM GROOVE TO STEM END 0.3520 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM MATERIAL AND LOCATION STEEL, FED STD 66, AISI/SAE 8645 OVERALL