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Built-to-order Subaru engines · 1-year unlimited-mileage warranty

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Home
Shop
- Performance Parts
  WRX STI
  Ken Block 43 Collection
  BRZ FR-S 86
  Gymkhana Exhaust
  Performance Cylinder Heads
  Billet Power Blocks
  Intake Gaskets & O-Rings
- Air/Oil Separators
  AOS Guide
  Shop All AOS
  Baja AOS — Naturally Aspirated
  V2 AOS — Single Chamber
  V3 AOS — Dual Chamber
  AOS Replacement Parts
- Engine Blocks & Gaskets
  Engine Tech Guides
  Built Short Blocks
  OEM Short Blocks
  Built Long Blocks
  Engine Install Kits
- Off-Road & Overland
  Explore Overland
  2017+ Impreza
  2018+ Crosstrek
  2024+ Crosstrek
  2019-2024 Forester
Blog
Support
Crawford Cars
- Crosstrek EveryRoad
- CSS 4 & CSS 5 Sedans
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