The "Super Hurricane" 226 L-Head engine has a cast iron block and cylinder head with 4 main bearings and solid lifters. The exhaust and intake valves are in the block, not in the cylinder head. The engine was used in earlier Willys cars, but was first introduced in 1950 in Willys trucks. The Willys Pickup and Willys Wagon used the 226 from '54 until '63. There was an option 7.3:1 high altitude version available during these years.

The 226 used between 1954-1958 has a slightly higher horse power rating than the later 226.

 

Super Hurricane L-Head 226 I6
Bore x Stroke	3.94" x 4.375"
Displacement	226.2 Cubic Inches
Compression Ratio	6.861:1
Horsepower (gross)	115@3800rpm
Torque (gross)	190@1800
Main Bearings	4
Valve Configuration	L-head
Fuel	1-bbl Carter

The 226 used from 1959-1962 has a slightly lower horsepower rating, but the torque peak comes at a lower RPM.

 

Super Hurricane L-Head 226 I6
Bore x Stroke	3.94" x 4.375"
Displacement	226.2 Cubic Inches
Compression Ratio	6.861:1
Horsepower (gross)	105@3600rpm
Torque (gross)	190@1400
Main Bearings	4
Valve Configuration	L-head
Fuel	1-bbl Carter