- Centered pin. Made with Chevy 350 SB.
| Attributes |
| Alloy |
390 |
| Base Number |
KB121 |
| Bore (in) |
4 |
| Bore (mm) |
101.6 |
| Bore Diameter |
4.0 |
| Compression Ratio |
58-9.3, 62-9.0, 64-8.8, 76-8.0 |
| Country of Origin (Primary) |
MX |
| Crown (cc) |
+28cc |
| Crown Type |
D-CUP 2V |
| Cylinder Bore Diameter |
4 |
| Eng. Disp Liters |
6.3 |
| Eng. Disp. In. |
383 |
| Engine Family |
Chevrolet SB V8 Gen I |
| Engine Manufacturer |
Chevrolet |
| Exhaust Valve Depth/diameter |
.280/2.168 |
| GTIN |
00800745043955 |
| Hazardous Material Code |
N |
| Intake Valve Depth/diameter |
.280/2.168 |
| Life Cycle Status Code |
Available to Order |
| Lock |
PRJ100-3 |
| Make For Engine Family |
General Motors |
| Oe Deck Height |
9.025 |
| Oversize |
.020 |
| Oversized |
Yes |
| Oversizes |
STD .020 .030 .040 .060 |
| Pin Configuration |
Centered |
| Pin Diameter (in) |
.927 |
| Pin Diameter (mm) |
23.5 |
| Pin Number |
0927x300K |
| Pin Type |
Press or Floating |
| Piston Head Type |
Dish |
| Piston Material |
Cast 390 Hypereutectic Alloy |
| Ring Pack |
1/16, 1/16, 3/16 |
| Rod (in) |
5.7 |
| Rod (mm) |
144.78 |
| Sold as |
PISTON SET |
| Stroke (in) |
3.75 |
| Stroke (mm) |
95.3 |
| Top Land |
.275 |
| Year Range |
- |
KB Hypereutectic Pistons KB121.020 KB Hyper Piston - Chevy 383, Rod 5.700, D-Cup +28cc 2V
Tags: Chevy Small Block Gen I
