# Hays 10-139 Hays Billet Steel SFI Certified Flywheel - Big Block Chevrolet

**Manufacturer:** Hays  
**MPN:** `139`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Hays |
| Manufacturer name | Hays |
| Manufacturer | Hays |
| DimensionUnit | inch |
| Extra Product Name | Hays 10-139 Hays Billet Steel SFI Certified Flywheel - Big Block Chevrolet |
| UPC | 090127744802 |
| diameter | 2.486 |
| length | 2.486 |
| length_Attrib | Center Bore (Register Diameter) |
| moq | 1 |
| MPN | 139 |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | FieldMap |
| SKU | 10-139 |
| tierMinQty1 | 1 |
| tierPrice1 | 184.93 |
| width | 2.486 |
| width_Attrib | Center Bore (Register Diameter) |
| # of Teeth | 153 |
| Application | Chevrolet |
| Center Bore (Register Diameter) | 2.486" |
| Emission Code | 5 |
| Engine | Big Block Chevy |
| Engine Balance | External |
| Material | Steel |
| Product Type | Flywheels |
| SFI Approved | Yes |
| SFI Certification | 1.1 |
| Warranty | Limited 90 Day Warranty |
| Part Number | 10-139 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| holley.com | 10-139 | 184.93 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/87000000/87433000/part_--139---Hays--792b1ae52a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp