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

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

The right choice depends on your budget and how long you plan to keep the vehicle.

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

Often the most affordable option, sourced from salvage yards. Cost: Generally provides the lowest upfront price. Pros: Quick availability.

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