| Bore (in.) | 4.030 in. |
| Bore (mm) | 102.362mm |
| Brand | KB |
| Compression Height (in.) | 1.675 in. |
| Dome Height (in.) | 0.150 in. |
| File Fit | No |
| Gapless | No |
| Manufacturer's Part Number | KB191KTM.030 |
| Notes | Solid dome design. |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Oil Ring Thickness | 3/16 in. |
| Part Type | Pistons |
| Pin Diameter (in.) | 0.984 in. |
| Piston Head Volume (cc) | -11.20cc |
| Piston Material | Hypereutectic aluminum |
| Piston Ring Thickness | 5/64 in. x 5/64 in. x 3/16 in. |
| Piston Rings Included | Yes |
| Piston Style | Dome, with two valve reliefs |
| Product Line | KB Performance Hyper Piston and Ring Kits |
| Quantity | Sold as a kit. |
| Rod Length | 6.123 in. |
| Second Ring Facing Material | Cast iron |
| Second Ring Material | Iron |
| Second Ring Thickness | 5/64 in. |
| Stroke | 3.580 in. |
| Summit Racing Part Number | UEM-KB191KTM-030 |
| Top Ring Facing Material | Moly |
| Top Ring Material | Iron |
| Top Ring Thickness | 5/64 in. |
| UPC | 800745164056 |
| Wrist Pin Included | Yes |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Style | Press-fit or floating |
