Some of the Mag Engines we carry are shown below.  Call us if you don't see what you are looking for.
Four Stroke Engines
Two Stroke Engines
We build XL Engines for High Performance, Long Life and Low Cost. That's the Ultimate Power! Using state-of-the-art CNC computer milling and machining equipment and the highest aerospace quality materials available, Magnum is producing the finest model engines available.
NEWEST FOUR STROKE ENGINE 
NOW IN STOCK
THE XLS .52A is a single cylinder, two cycle engine incorporating ABC (Aluminum piston, Chrome plated, Brass sleeve) technology for long life and easy break in.  A dual needle carburetor for precise fuel/airflow metering is standard. The XLS .52A features an optional cast aluminum rear needle valve assembly and high flow muffler for more power and reduced noise.
Specs:

Displacement: .52 ci (8.47cc)
Bore: 22.4 mm
Stroke: 21.5 mm
Practical RPM: 2,200 - 18,000
Weight:  13.6 oz (w/o muffler)  17.4 oz (w/muffler)
XLS .52A Airplane Engine
INSTOCK 
NEWEST TWO STROKE ENGINE 
NOW IN STOCK
XL .70RFS Airplane Engine
  INSTOCK 
The XL .70 RFS is a single cylinder, four stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual needle valve carburetor for precise fuel airflow metering is standard. The engine features a ball bearing supported crannkshaft and camshaft, dual bushing supported connecting rod and a high flow muffler for more power and reduction in noise.  

INSTOCK