ASF Machine R180 Billet Rear Differential Cover Subaru STI 2004-2021

Availability: Out Of Stock
Type: Drivetrain Differential Covers
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Regular Price: $729.99 - Instant discount: $30.00 = $699.99
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Subtotal: $699.99
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Part #: R180-RDF

The ASF machine Billet Aluminum R180 Differential Cover is CNC machined in Colorado out of high quality 6061-T6 aluminum and mil-spec anodized clear.

The Benefits of the ASF Machine R180 Diff Cover are

- Increased fluid capacity (1.37 quarts) for higher heat capacity.

- Over 50 grams than its cast OEM counterpart.

- Dual M20x1.5 ports for fill/drain or external cooler/pump drift & endurance applications. Same thread and pitch as 06 + R180 temp probe fittings.*

- 1/2" BSSP sightglass for dry and clean fluid level checks.

- Baffled industrial gearbox breather fitting included.

- OEM magnetic m20x1.5 drain plug included.

- Utilizes the baffled factory gasket Subaru 38353AA050. (Sold Separately)

- Compatible with the 83mm or 59mm mounting studs.

**temp probe adapter and studs not included**

Vehicle Fitment

  • 2004+ Subaru STI


WARNING: Cancer and Reproductive Harm. (

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