Features for DLA58 Engine:

Engine Body: spaceflight aluminum material, CNC precisely processed
Carburetor: original Walbro
Bearing: original FAG from Germany
Needle Bearing: original IKO from Japan
Crankshaft: spaceflight special material, CNC precisely processed
Parameters & Performance:

Power: 6.0HP/8500rpm
Idle Speed: 1300 rpm/min
Pulling Force: 15Kg / 100 meters Altitude (14.2kg for DLE55)
13.5Kg / 1800 meters Altitude (12.5kg for DLE55)

Recommended Propeller: 22x8, 22x10, 23x8, 23x10
Sparking Plug: DLA CM6 (Iridium)
Recommended Voltage for CDI: 6.6V-8.2V (2S)
Carburetor: Walbro (made in Japan)
Exhaust Amount: 58cc
Diameter*Stroke: 46mm*35mm
Ratio of Compression: 7.8 : 1 (7.6 : 1 for DLE55)
Ratio of Lubricating Capacity: 30: 1--40:1 (Trial Run), 40: 1--50:1 (Normal Flying)
Weight: Main Engine-1380g, Exhaust Pipe-110g, Ignition-135g
Included Spare Parts:

1 x DLA 58CC Engine
1 x Exhaust System
1 x CDI Ignition
1 x Spark Plug
1 x Engine Bracket
1 x User Manual
Features:

Material of Muffler and crankcase: Aluminum Magnesium Alloy (Aluminum Alloy for DLE55)
Machining: CNC processed, while others are not.
Crank Case Material: the newest aero material makes DLA58 engines too hard to be damaged.
DLA58 is less weight than other gasoline engines in the same power.
The appearance of DLA58 is artistically and smooth and shinny, while others are common.
DLA58 used high quality Iridium plugs while others not; comes with aluminum alloy mufflers.