• Mechanical Gear Reduction with helical gears supported by four ball-bearing races. The output shaft in an isostatic configuration with an oblique two-crown sphere bearing. 
• Gear ratio 3.11:1  
• The housing is cast alumium to T6 condition. Rated up to 130 hp at 6500 rpm. 
• Weight: 9kg (20 lbs). 
• Clutch engages: 1900-2100 rpm. 
• Connection from clutch to primary gear through a grooved hub, made from 7075-T6 with hard anodized surface. 
• Ergal mass centrifugal dragging hub with hard oxide surfacing. 
• Clutch shoes are of the sintered type with a bonded material high friction coefficient.
• Includes adapter plates to mount to the MZ202 engines.
• Includes flange to mount the prop.
This gearbox was manufactured by Compact Radial Engines in North America.