Description
Part Number: AF777-12S
Aeroflow -12AN Bolt-In Breather Bulkhead Fitting – Silver
Upgrade your crankcase ventilation effortlessly with the Aeroflow AF777-12S silver billet -12AN bolt-in breather bulkhead adapter. Designed for cast or fabricated valve covers, this fitting allows seamless catch can or breather installation without welding.
Key Features
- ☑ Enables -12AN breather plumbing on cast or fabricated rocker covers without welding.
- ☑ Precision CNC-machined from lightweight 6061-T6 billet aluminium.
- ☑ Protective silver anodised finish for enhanced corrosion resistance.
- ☑ Designed for use with Aeroflow AF77-2000 & AF77-2001 breathers or standard -12AN lines.
- ☑ Secure bulkhead locking mechanism ensures leak-free reliability under demanding conditions.
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Manufacturer Part Number | AF777-12S |
| Fitting Type | Bolt-In Breather Bulkhead Adapter |
| Thread / Port Size | -12AN Male Bulkhead |
| Material | 6061-T6 Billet Aluminium |
| Finish | Silver Anodised |
| Compatibility | Cast or Fabricated Valve Covers |
What’s Included in the Box
- 1 x Aeroflow AF777-12S -12AN Silver Bolt-In Breather Bulkhead Assembly
- 1 x Threaded Mounting Locknut & Sealing Washer Kit
Aeroflow Performance products are manufactured to strict motorsport specifications. Order your AF777-12S breather adapter from JP Racing today for technical customer support and fast UK dispatch.







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