Continental TSIO-550-E Engine – Factory New or Rebuilt

The Continental TSIO-550-E is a turbocharged, fuel-injected 6-cylinder aircraft engine rated at 350 horsepower at 2700 RPM. Built for pressurized, high-speed aircraft, this engine is commonly installed in the Lancair IV-P and is also one of two powerplants on the twin-boom Adam A500. With dual turbochargers and intercooling capability, the TSIO-550-E delivers exceptional high-altitude power and cruise efficiency.

Air Power, Inc. is the largest global distributor of Continental engines and Continental's preferred engine sales partner. We offer both factory new and factory rebuilt TSIO-550-E engines, each configured and verified for your specific aircraft application.

Aircraft Compatibility

• Lancair IV-P (Pressurized Experimental)
• Adam A500 (Centerline Twin – certified aircraft)
• Other experimental high-performance airframes requiring 350 HP turbocharged powerplants

Engine Specifications

• Model: TSIO-550-E
• Horsepower: 350 HP @ 2700 RPM
• Displacement: 552 in³ (9.05 L)
• Configuration: 6-cylinder, horizontally opposed, twin turbocharged
• Compression Ratio: 7.5:1
• Fuel System: Continuous flow fuel injection
• Fuel Type: 100/100LL AvGas
• TBO: 1,800 hours (factory recommended)
• Weight: Approx. 540–560 lbs depending on turbo and accessory setup

Ordering Information – What We Need to Confirm

To properly configure a TSIO-550-E engine for your Lancair or Adam A500, we’ll verify the following:

• Aircraft Make & Model: Is this for a Lancair IV-P (experimental) or Adam A500 (certified twin)? Mounts, accessory case, and induction systems differ.
• Electrical System: Do you need a 12-volt or 24-volt starter/alternator system? Most certified and modern builds are 24V, but we’ll verify.
• Turbo & Intercooler Integration: For Lancair builders: Do you require custom intercooler mount provisions, ducting support, or wastegate actuator locations?
• Accessory Case Configuration: We’ll confirm provisions for vacuum pumps, dual alt