# KB KB400KTM.STD KB Performance Hyper Piston and Ring Kits | Summit Racing

**Manufacturer:** KB  
**MPN:** `KB400KTM.STD`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | KB |
| Manufacturer name | KB |
| Manufacturer | KB |
| DimensionUnit | inch |
| Extra Product Name | KB KB400KTM.STD KB Performance Hyper Piston and Ring Kits \| Summit Racing |
| UPC | 800745170149 |
| diameter | 1.094 |
| height | 1.908 |
| height_Attrib | Compression Height (in.) |
| length | 6.358 |
| length_Attrib | Rod Length |
| moq | 1 |
| MPN | KB400KTM.STD |
| multiple | 1 |
| qtyInStock | Jun 8, 2023 |
| SKU | UEM-KB400KTM-STD |
| tierMinQty1 | 1 |
| tierPrice1 | 676.9900 |
| width | 1.094 |
| width_Attrib | Pin Diameter (in.) |
| Brand | KB |
| Manufacturer's Part Number | KB400KTM.STD |
| Part Type | Pistons |
| Product Line | KB Performance Hyper Piston and Ring Kits |
| Summit Racing Part Number | UEM-KB400KTM-STD |
| Piston Rings Included | Yes |
| Bore (in ) | 4.250 in. |
| Bore (mm) | 107.950mm |
| Stroke | 3.800 in. |
| Rod Length | 6.358 in. |
| Piston Style | Dome, with two valve reliefs |
| Piston Material | Hypereutectic aluminum |
| Compression Height (in ) | 1.908 in. |
| Dome Height (in ) | 0.200 in. |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in ) | 1.094 in. |
| Piston Ring Thickness | 5/64 in. x 5/64 in. x 3/16 in. |
| File Fit | No |
| Gapless | No |
| Top Ring Thickness | 5/64 in. |
| Top Ring Material | Iron |
| Top Ring Facing Material | Moly |
| Second Ring Thickness | 5/64 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-KB400KTM-STD | 676.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/162500000/162620000/part_--KB400KTMSTD---KB--45ec7ca931.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp