Subaru FA20 Performance Engine Parts

Shop performance and replacement parts for the Subaru FA20 engine (2.0L boxer 4-cylinder), found in the Subaru BRZ, Scion FR-S, Toyota 86 and WRX (FA20DIT). Browse engine, turbo and intake upgrades, exhaust, clutches, fuel, ignition, cooling, mounts and more from top aftermarket brands.

Confirm fitment for your exact year, model and trim on each product page before ordering.

Subaru FA20 FAQ (4 questions)

What cars use the Subaru FA20 engine?

The Subaru FA20 (2.0L boxer 4-cylinder) is found in the Subaru BRZ, Scion FR-S, Toyota 86 and WRX (FA20DIT). Always check the year, model and trim fitment table on each product page.

What are the most popular FA20 upgrades?

Popular FA20 upgrades include headers, intakes and exhaust, ECU tuning, clutches and flywheels, and cooling parts. Browse every category for the Subaru FA20 using the category list on this page.

How do I make sure a part fits my FA20?

Every part on this page is listed by the manufacturer for the Subaru FA20. Check the fitment table on the product page and match the manufacturer part number. Save your engine with the engine selector to see a “Fits your Subaru FA20” badge on parts, or use Ask an expert if you’re unsure.

How fast do FA20 parts ship?

In-stock parts ordered before 2:30pm Pacific ship the next business day, and Friday orders placed before noon ship the same day. Special-order parts ship from the manufacturer; use Request ETA on the product page for a date.