| MATERIAL | ALUMINUM ALLOY |
| DIAMETER | 3.878 INCHES NOMINAL |
| OVERALL HEIGHT | 3.515 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | STANDARD |
| WEIGHT | 20.0 OUNCES |
| HEAD STYLE | FLAT |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | INCLUDED |
| CUT DEPTH | 1.125 INCHES NOMINAL |
| RING GROOVE QUANTITY | 3 |
| RING GROOVE WIDTH | 0.0780 INCHES NOMINAL 1ST RING |
| 0.0780 INCHES NOMINAL 2ND RING |
| 0.1880 INCHES NOMINAL 3RD RING |
| RING GROOVE DIAMETER | 3.445 INCHES NOMINAL 1ST RING |
| 3.445 INCHES NOMINAL 2ND RING |
| 3.450 INCHES NOMINAL 3RD RING |
| OIL PASSAGE TYPE | SLOT |
| CARBON GROOVE | NOT INCLUDED |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.659 INCHES NOMINAL |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 0.9285 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 1.238 INCHES NOMINAL |
| RETAINING RING GROOVE | NOT INCLUDED |
| PIN | INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| RING | NOT INCLUDED |
| SPECIAL FEATURES | USED ON GMC ENGINE; MDL 1966-72; SERIES 250 |