Cylinders included in S&S T-Series 4 1/8" bore engines. These cylinders are made of superior materials and has a thicker casting than stock cylinders.
Features and Benefits
- Forged, coated pistons and S&S cylinders provide consistent performance and reliability
- Valve pocket recesses in S&S pistons are enlarged for oversize valves and higher lift cams
- 4 1/8" Bore, 5.013" Length
- 1999 - Up Big Twin
| 4 1/8" BORE CYLINDERS FOR S&S® ENGINES |
| Displacement |
Stroke |
Cylinder Length |
Compression Ratio |
Finish (Cylinders Only) |
| 124" |
4 5/8" |
5.013" |
10.8:1 |
Silver |
Black |
Polished |
| 106-4157 |
91-7079 |
91-7165 |
