- Hypereutectic. 2.000 diameter recess .065 deep with 2 valve reliefs. Truck engine. * Same as 3403H with coated skirts.
Application Summary:
| Year | Make/Model |
|---|---|
| 1990 | Chevrolet C1500 |
| 1981-1986 | Chevrolet C20 |
| 1981-1986 | Chevrolet C20 Suburban |
| 1981-1986 | Chevrolet C30 |
| 1988-1990 | Chevrolet C3500 |
| 1988-1990 | Chevrolet G30 |
| 1985 | Chevrolet K20 Suburban |
| 1981-1986 | Chevrolet K30 |
| 1988-1990 | Chevrolet K3500 |
| 1981-1990 | Chevrolet P30 |
| 1987-1988 | Chevrolet R20 |
| 1987-1988 | Chevrolet R20 Suburban |
| 1989 | Chevrolet R2500 |
| 1989-1990 | Chevrolet R2500 Suburban |
| 1987-1988 | Chevrolet R30 |
| 1989-1990 | Chevrolet R3500 |
| 1987-1988 | Chevrolet V20 Suburban |
| 1990 | Chevrolet V2500 Suburban |
| 1987-1988 | Chevrolet V30 |
| 1989-1990 | Chevrolet V3500 |
| 1981-1986 | GMC C2500 |
| 1981-1986 | GMC C2500 Suburban |
| 1981-1986 | GMC C3500 |
| 1988-1990 | GMC C3500 |
| 1988-1990 | GMC G3500 |
| 1981-1986 | GMC K3500 |
| 1988-1990 | GMC K3500 |
| 1981-1990 | GMC P3500 |
| 1987-1989 | GMC R2500 |
| 1987-1990 | GMC R2500 Suburban |
| 1987-1990 | GMC R3500 |
| 1987-1990 | GMC V3500 |
| Attributes | |
| Base Number | 3403HC |
| Crown Type | DISH |
| Eng. Disp Liters | 7.4 |
| Eng. Disp. In. | 454 |
| Engine Family | Chevy Big Block Mark IV |
| Engine Manufacturer | Chevrolet |
| Hazardous Material Code | N |
| Life Cycle Status Code | Available to Order |
| Oe Assembly | 14071100, 10106471, 14071100, 10048941, 340209 |
| Oversizes | STD .020 .030 .040 .060 |
| Pin Configuration | Offset |
| Pin Number | 0990x230A |
| PIN TYPE | Press |
| Ring Pack | 5/64, 5/64, 3/16 |
| Sold As | SINGLE |
| Top Land | .224 |
| Year From | 1981 |
| Year Range | 1981-1990 |
| Year To | 1990 |
| GTIN | 00800745078094 |