Skip to content

Subaru FA20 / FA24 Short Blocks and Long Blocks

Shop Subaru FA20 and FA24 short blocks and long blocks. Compare WRX and BRZ listings, prices and supplied components, then confirm your application.

IAG Performance FA20 and FA24 short blocks and long blocks for WRX and BRZ. We carry 6 from $6,499.99.

Engine Price
IAG 800 Series FA20 (10.5:1 Compression Ratio) Closed Deck Short Block 13-21 BRZ / FRS / GT86 $6,499.99
IAG 800 Series FA20 (12.5:1 Compression Ratio) Closed Deck Short Block 13-21 BRZ / FRS / GT86 $6,499.99
IAG Performance 1000 Series FA24 Closed Deck Short Block 2022-2026 WRX $6,999.99
IAG Performance 1000 Series FA20 Closed Deck Short Block 2015-2021 WRX $6,999.99
IAG Performance 600 Series FA20 DIT Long Block 2015-2021 WRX $16,499.99
IAG Performance 800 Series FA20 DIT Long Block 2015-2021 WRX $18,999.99

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.