# Red Line Friction Modifier & Break-In Additive - 4 oz

Add 1oz at a time to clutch-type limited slip or posi-traction units to eliminate chatter

-   Add 1oz at a time to clutch-type limited slip or posi-traction units to eliminate chatter
-   Reduces break-in temps as much as 50 degrees Fahrenheit
-   Compatible with both petroleum and synthetic gear oils

## Details

- **Price:** 205.83 CAD
- **Vendor:** Red Line
- **Type:** Additives

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 205.83 CAD | In stock |

## Images

- Photo - Primary
- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/red-line-friction-modifier-break-in-additive-4-oz)
> Updated: 2026-08-15