| Base Number |
1730H |
| Bore (in) |
4.313 |
| Bore (mm) |
109.6 |
| Bore Diameter |
4.313 |
| Compression Ratio |
8.4 |
| Country of Origin (Primary) |
MX |
| Crown (cc) |
+40cc |
| Crown Type |
DISH |
| Eng. Disp. In. |
455 |
| Eng. Disp. Liters |
7.5 |
| Engine Family |
Buick V8 |
| Engine Manufacturer |
GM |
| Hazardous Material Code |
N |
| Includes Ring Set |
4312AM8.STD |
| Life Cycle Status Code |
Available to Order |
| Oe Assembly |
1394852 |
| Oil Ring Thickness |
0.1875 |
| Oversize |
STD |
| Oversized |
No |
| Oversizes |
STD .020 .030 .040 .060 |
| Pin Configuration |
Offset |
| Pin Number |
1000x317A |
| PIN TYPE |
Press |
| Piston Head Type |
Dish |
| Piston Material |
Cast 390 Hypereutectic Alloy |
| Piston Pin Outside Diameter |
1 |
| 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 |
0.215 |
| Year From |
1970 |
| Year Range |
1970-1976 |
| Year To |
1976 |
| GTIN |
00800745297778 |