The Fontana New Generation Midget Engine, based on the GM four cylinder, is the result of
25 years of on-going development. It meets the expressed needs of today’s racer. Reliability, drivability, a wide, smooth power band, lightweight, best left side weight in the industry, and most importantly, an engine that can win any race. 

Our complete engines use only state of the art components, many of which are manufactured by Fontana, allowing total control over quality and results. 

The New Generation Fontana incorporates the latest in valve train technology, roller cam bearings, down nozzle and fuel system development, optimum balanced rotating assembly, high vacuum, high oil control system, and much, much more.

Features

Block features include:

• Tough A356-T6 alloy
• Lightweight (63.5 lbs.)
• 9.15" deck height
• Bores from 3.875" to 4.040"
• Strokes from 3.00" to 4.00"
• Displacements from 142 to 200 cubic inches
• Beefy 1.00"- thick main webs
• 7075-T6 main caps
• 1/2" head studs penetrate block a full 1.75 threaded inches
• Ductile-iron, wet liners
• Receiver grooves for copper head gasket
• Wet or dry-sump oiling
• Large main oil galley
• 55mm 5 journal cam
• Roller cam bearings

Head features include:

• Tough A356-T6 alloy
• Bare weight just 23 lbs.
• 2.150” intake valves
• 1.625” exhaust valves
• Intake and exhaust ports on same side
• Shaft-mounted rocker arms rollerized
• CNC-machined ports and chambers
• High-port intake runners
• 37 cc combustion
• Ideal temperature gradient
• O-ring wire for copper head gasket
• 14mm spark plugs
• Down Nozzles
• Reverse Cooling