- Dome head .095" high with 1 valve relief. Propane engine and 1985-90 gas truck engine. Except H5D.
| Attributes |
| Alloy |
332 |
| Base Number |
1490D |
| Bore (in) |
3.9375 |
| Bore (mm) |
100.0 |
| Compression Ratio |
8.0, sm. chmbr. 9.0 |
| Crown Type |
DOME |
| Eng. Disp Liters |
6.0 |
| Eng. Disp. In. |
366 |
| Engine Family |
Chevy Big Block Mark IV |
| Engine Manufacturer |
Chevrolet |
| GTIN |
00800745014436 |
| Hazardous Material Code |
N |
| Life Cycle Status Code |
Available to Order |
| Oe Assembly |
10106480, 10046482, 10108926 |
| Oversize |
.040 |
| Oversizes |
STD .020 .030 .040 .060 |
| Pin Configuration |
Centered |
| Pin Diameter (in) |
.990 |
| Pin Diameter (mm) |
25.1 |
| Pin Number |
0990x230A |
| Pin Type |
Press |
| Ring Pack |
3/32, 5/64, 5/64, 3/16 Iron Top Groove |
| Sold as |
SINGLE |
| Top Land |
.420 |
| Year From |
1985 |
| Year Range |
1985-1990 |
| Year To |
1990 |
Dualoy Disel Pistons S1490D.040 Single Dualoy Piston - 6.0L GM (V8) 1985-90
Tags: Chevy Big Block Mark IV
