| Base Number |
3458HC |
| Bore (in) |
4.25 |
| Bore (mm) |
108 |
| Bore Diameter |
4.25 |
| Country of Origin (Primary) |
MX |
| Crown (cc) |
-14cc |
| Crown Type |
DOME |
| Eng. Disp. In. |
454 |
| Eng. Disp. Liters |
7.4 |
| Engine Family |
Chevy Big Block Mark IV |
| Engine Manufacturer |
GM |
| Hazardous Material Code |
N |
| Includes Ring Set |
4250AM8.020 |
| Life Cycle Status Code |
Available to Order |
| Oil Ring Thickness |
0.1875 |
| Oversize |
0.02 |
| Oversized |
Yes |
| Oversizes |
STD .020 .030 .040 .060 |
| Pin Configuration |
Offset |
| Pin Number |
0990x230A |
| PIN TYPE |
Press |
| Piston Head Type |
Dome |
| Piston Material |
Cast 390 Hypereutectic Alloy |
| Piston Pin Outside Diameter |
0.99 |
| Piston Rings Included |
Yes |
| Ring Pack |
5/64, 5/64, 3/16 |
| Second Compression Ring Thickness |
0.0781 |
| Sold As |
Complete Piston and Ring Kit |
| Top Compression Ring Thickness |
0.0781 |
| Top Land |
0.285 |
| Year From |
1970 |
| Year Range |
1970-2007 |
| Year To |
2007 |
| GTIN |
00800745299574 |
