FA20DIT ENGINE FOR SALE

FA20DIT Engine for Sale: Unleash the Power of Subaru Performance

Take driving to the next level with the FA20DIT, the beating heart of modern Subaru performance. This 2.0L twin-scroll turbocharged boxer motor produces 268 horsepower with a remarkably broad torque curve. Whether you’re upgrading your Subaru or completing that ambitious engine swap, nothing beats the FA20DIT for modern direct-injection performance.

All aluminum construction, high 10.6:1 compression ratio enabled by direct injection, and DOHC with AVCS Dual-Stage variable valve timing deliver responsive acceleration and impressive efficiency. The twin-scroll turbocharger and intercooler ensure linear power delivery, while the boxer design provides smooth operation with better handling dynamics through its low center of gravity.

Now’s your opportunity to own a piece of modern Subaru engineering genius. Step up to this FA20DIT engine for sale.

Engine Overview: FA20DIT

The FA20DIT lets Subaru flex its modern engineering muscles, combining a 2.0-liter boxer layout with direct injection and twin-scroll turbocharging in a compact package, producing 268 HP and 258 lb-ft of torque. The engine has an aluminum block and heads, reducing weight significantly. Subaru’s AVCS Dual-Stage augments dual overhead camshafts to achieve optimal valve timing for any driving scenario, maximizing performance and efficiency.

Even with turbocharging, the compression ratio stays remarkably high at 10.6:1 , a statement of refinement in design enabled by direct injection’s cooling effect on the combustion chamber. An intercooler enhances performance, while the intrinsic balance of the boxer layout provides smooth operation and a low center of gravity.

The FA20DIT vs EJ255 Generational Upgrade

The FA20DIT represented Subaru’s transition from EJ-series to FA-series for mainstream performance applications:

The FA20DIT delivers more HP than even the EJ255 at peak (268 HP vs 265 HP best-case EJ255), with significantly better torque delivery (broad 2,000-5,200 RPM plateau vs narrow EJ255 band) and better fuel economy from direct injection.

Vehicle Applications (Direct Fit)

Key Engineering Features

Twin-Scroll Turbocharger with Integrated Exhaust Manifold

The FA20DIT was Subaru’s first mainstream production engine to use a twin-scroll turbocharger:

How it works: Two separate exhaust channels feed the turbine independently, separating exhaust pulses from cylinders 1+4 and 2+3

Benefit: Eliminates exhaust pulse interference, providing better boost response (faster spool-up) and stronger low-RPM torque

Integration: The exhaust manifold is integrated into the turbocharger housing, reducing weight and improving thermal characteristics

Result: The 258 lb-ft torque plateau starting at just 2,000 RPM (vs ~3,500 RPM for the EJ255’s torque peak)

Direct Injection (200 bar / ~2,900 PSI)

Method: Fuel sprayed directly into the combustion chamber by high-pressure injectors

Benefit: Better fuel atomization, cooling effect on combustion chamber walls, enables 10.6:1 compression ratio (vs 8.4:1 on EJ255 MPI)

Trade-off: Direct injection engines develop intake valve carbon buildup over time (since fuel doesn’t wash valves like with port injection) , walnut blasting service typical at 80,000-100,000 miles

AVCS Dual-Stage Variable Valve Timing

System: Updated AVCS for the FA-series, on both intake AND exhaust camshafts

Dual-Stage operation: Two-position system optimized for the FA20DIT’s compact valvetrain

Benefit: Broad torque band, good emissions, improved fuel economy

TGV (Tumble Generator Valve)

System: Active intake system with butterfly valves in the intake manifold

Operation: At low load, valves partially close to create tumble flow (rotating air motion) for better mixing and emissions. At high load, valves open fully for maximum airflow

Benefit: Combines emissions/economy benefits at light loads with performance at high loads

FAQs

What is the FA20DIT?