# KB KB397KTD.STD KB Performance Hyper Piston and Ring Kits | Summit Racing

**Manufacturer:** KB  
**MPN:** `KB397KTD.STD`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | KB |
| Manufacturer name | KB |
| Manufacturer | KB |
| DimensionUnit | inch |
| Extra Product Name | KB KB397KTD.STD KB Performance Hyper Piston and Ring Kits \| Summit Racing |
| UPC | 800745170033 |
| diameter | 0.99 |
| height | 1.52 |
| height_Attrib | Compression Height (in.) |
| length | 6.135 |
| length_Attrib | Rod Length |
| moq | 1 |
| MPN | KB397KTD.STD |
| multiple | 1 |
| qtyInStock | Jun 2, 2023 |
| SKU | UEM-KB397KTD-STD |
| tierMinQty1 | 1 |
| tierPrice1 | 762.9900 |
| width | 0.99 |
| width_Attrib | Pin Diameter (in.) |
| Brand | KB |
| Manufacturer's Part Number | KB397KTD.STD |
| Part Type | Pistons |
| Product Line | KB Performance Hyper Piston and Ring Kits |
| Summit Racing Part Number | UEM-KB397KTD-STD |
| Piston Rings Included | Yes |
| Bore (in ) | 4.250 in. |
| Bore (mm) | 107.950mm |
| Stroke | 4.250 in. |
| Rod Length | 6.135 in. |
| Piston Style | Dome, with single valve relief |
| Piston Material | Hypereutectic aluminum |
| Compression Height (in ) | 1.520 in. |
| Dome Height (in ) | 0.180 in. |
| Piston Head Volume (cc) | -17.00cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in ) | 0.990 in. |
| Piston Ring Thickness | 1/16 in. x 1/16 in. x 3/16 in. |
| File Fit | Yes |
| 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-KB397KTD-STD | 762.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/18500000/18763000/part_--KB397KTDSTD---KB--30d5383c17.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp