Photo collage of engine assembly parts

Engine Assembly Parts

184 products

Clear all

Engine Assembly Parts

Shop Subaru engine assembly parts at IAG Performance for WRX, STI, BRZ, Legacy GT, and Forester XT models. Our selection includes essential Subaru engine components for EJ20, EJ25, and FA20 engines, making it easy to complete maintenance, engine rebuilds, or high-performance Subaru engine builds. Browse a wide range of engine assembly parts including Subaru timing belts, timing belt kits, idler rollers, tensioners, engine hardware, oils, fluids, and other critical components designed to keep your engine running smoothly and reliably. Whether you're performing routine Subaru maintenance, installing a new short block, or completing a full Subaru WRX or STI engine build, these parts help ensure proper timing, durability, and long-term engine performance. IAG Performance carries engine assembly parts from some of the most trusted names in the performance and motorsports industry, including ARP, ATI, Cosworth, Gates, and more. These brands are known for producing high-quality components that support everything from daily driving to high-horsepower Subaru builds. If you're building or maintaining a Subaru EJ or FA engine, IAG Performance offers the engine assembly parts, timing components, and hardware needed to keep your WRX, STI, BRZ, Legacy GT, or Forester XT running at its best.

  • WELL TRUSTED
    Over 100k customers
  • SUPER FAST
    With Express delivery
  • EXPERT HELP
    Seven days a week
  • BEST PRICES
    Unbeatable value