IAG Performance FA20 and FA24 short blocks and long blocks for WRX and BRZ. We carry 6 from $6,499.99.
Before you order
Engines that share a displacement can differ by year, block material and options such as cylinder deactivation. The eighth character of your VIN identifies the engine. Send it to us and we will confirm the right one.
Frequently asked questions
How much is a FA20 or FA24 short block or long block?
Our 6 listings here are $6,499.99 to $18,999.99, plus a flat $80.00 shipping charge per order. Installation labor is extra; engine replacement cost explains what to budget for.
What is the Subaru FA20 and FA24 firing order?
1-3-2-4. Cylinder numbering differs between manufacturers; see our firing order guide for the numbering.
See also: all engines by engine code · transmissions by code · FA20 vs EJ25 · FA20 and FA24 specs · how long a Subaru engine lasts · FA20 problems · what is a boxer engine? · closed deck vs open deck · FA20 vs FA24 · WRX and STI parts · BRZ and GR86 parts · engine break-in procedure.
Shipping is a flat $80.00 per order to US addresses, with 15-day free returns. Not sure which one fits? Send us your VIN and a parts specialist will confirm it.