# KB KB401KTD.020 KB Performance Hyper Piston and Ring Kits | Summit Racing

**Manufacturer:** KB  
**MPN:** `KB401KTD.020`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | KB |
| Manufacturer name | KB |
| Manufacturer | KB |
| DimensionUnit | inch |
| Extra Product Name | KB KB401KTD.020 KB Performance Hyper Piston and Ring Kits \| Summit Racing |
| UPC | 800745170156 |
| diameter | 1.04 |
| height | 1.772 |
| height_Attrib | Compression Height (in.) |
| length | 6.605 |
| length_Attrib | Rod Length |
| moq | 1 |
| MPN | KB401KTD.020 |
| multiple | 1 |
| qtyInStock | Friday 6/2/2023 |
| SKU | UEM-KB401KTD-020 |
| tierMinQty1 | 1 |
| tierPrice1 | 772.9900 |
| width | 1.04 |
| width_Attrib | Pin Diameter (in.) |
| Brand | KB |
| Manufacturer's Part Number | KB401KTD.020 |
| Part Type | Pistons |
| Product Line | KB Performance Hyper Piston and Ring Kits |
| Summit Racing Part Number | UEM-KB401KTD-020 |
| Piston Rings Included | Yes |
| Bore (in ) | 4.380 in. |
| Bore (mm) | 111.252mm |
| Stroke | 3.850 in. |
| Rod Length | 6.605 in. |
| Piston Style | Dome, with single valve relief |
| Piston Material | Hypereutectic aluminum |
| Compression Height (in ) | 1.772 in. |
| Dome Height (in ) | 0.200 in. |
| Piston Head Volume (cc) | -11.00cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in ) | 1.040 in. |
| Piston Ring Thickness | 1/16 in. x 1/16 in. x 3/16 in. |
| File Fit | No |
| Gapless | No |
| Top Ring Thickness | 1/16 in. |
| Top Ring Material | Ductile iron |
| Top Ring Facing Material | Plasma-moly |
| Second Ring Thickness | 1/16 in. |
| Second Ring Material | Iron |
| Second Ring Facing Material | Cast iron |
| Oil Ring Thickness | 3/16 in. |
| Oil Ring Material | Stainless steel |
| Oil Ring Tension | Standard |
| Quantity | Sold as a kit. |
| Notes | Solid dome design. |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Summit Racing | UEM-KB401KTD-020 | 772.99 | 1 | None | 1 |

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