# Moser Engineering R12SW Moser Engineering Differential Setup Kits | Summit Racing

**Manufacturer:** Moser Engineering  
**MPN:** `R12SW`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Moser Engineering |
| Manufacturer name | Moser Engineering |
| Manufacturer | Moser Engineering |
| Extra Product Name | Moser Engineering R12SW Moser Engineering Differential Setup Kits \| Summit Racing |
| moq | 1 |
| MPN | R12SW |
| multiple | 1 |
| qtyInStock | Jun 19, 2023 |
| SKU | MSR-R12SW |
| tierMinQty1 | 1 |
| tierPrice1 | 205.0000 |
| Brand | Moser Engineering |
| Manufacturer's Part Number | R12SW |
| Part Type | Ring and Pinion Gear Installation Kits |
| Product Line | Moser Engineering Differential Setup Kits |
| Summit Racing Part Number | MSR-R12SW |
| Differential Case Design Type | GM 8.875 in. (12-bolt), passenger car |
| Cover Bolts | 12 |
| Ring Gear Bolts | 12 |
| Axle Shaft Spline Quantity | 35 |
| Pinion Spline Count | 30 |
| Ring Gear Rotation | Standard |
| Cover Gasket Included | Yes |
| Pinion Shims Included | Yes |
| Carrier Shims Included | No |
| Crush Sleeve Included | Yes |
| Pinion Seal Included | Yes |
| Pinion Nut Included | Yes |
| Ring Gear Bolts Included | Yes |
| Head Bearing Included | Yes |
| Tail Bearing Included | Yes |
| Carrier Bearings Included | Yes |
| Axle Seals Included | No |
| Axle Bearings Included | No |
| Quantity | Sold as a kit. |
| Notes | Designed for use with Wavetrac differential only. |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Summit Racing | MSR-R12SW | 205.0 | 1 | None | 1 |
| Jegs | 718-R12SW | 254.0 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/113000000/113021000/part_--R12SW---MoserEngineering--3aa2ce7a95.json`  
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MCP server: https://www.dataalchemy.com/mcp