Significant investment, usually for enthusiast or race applications. 2. Where to Buy

IAG 800 FA20 DIT Closed Deck Long Block Engine with IAG 800 Heads for 2015-21

High-performance "drop-in" solutions from specialized builders like IAG Performance. Cost: High ($10,000–$19,000+).

High reliability and robust warranties (typically 3-year/unlimited mileage). Cons: Can have lead times of several weeks for production.

Restored to "like-new" standards with new components like oversized pistons and custom bearings. Cost: Moderate to high ($5,000–$9,000).

Purchasing a replacement engine for your Subaru requires balancing cost, reliability, and technical compatibility. Whether you are repairing a high-mileage daily driver or building a performance WRX, there are three primary paths for sourcing a powerplant. 1. Engine Types and Options

Engineered for high horsepower (up to 800 BHP) with forged internals and closed-deck blocks.

Subaru Engine: Buy

Significant investment, usually for enthusiast or race applications. 2. Where to Buy

IAG 800 FA20 DIT Closed Deck Long Block Engine with IAG 800 Heads for 2015-21 buy subaru engine

High-performance "drop-in" solutions from specialized builders like IAG Performance. Cost: High ($10,000–$19,000+). Cost: High ($10,000–$19,000+)

High reliability and robust warranties (typically 3-year/unlimited mileage). Cons: Can have lead times of several weeks for production. Restored to "like-new" standards with new components like

Restored to "like-new" standards with new components like oversized pistons and custom bearings. Cost: Moderate to high ($5,000–$9,000).

Purchasing a replacement engine for your Subaru requires balancing cost, reliability, and technical compatibility. Whether you are repairing a high-mileage daily driver or building a performance WRX, there are three primary paths for sourcing a powerplant. 1. Engine Types and Options

Engineered for high horsepower (up to 800 BHP) with forged internals and closed-deck blocks.