The Hummer H1 is a civilian off-road vehicle based on the M998 Humvee, which was created by AM General. The vehicle was produced from 1992 through 2006, and was the first of what became the Hummer line.

Cummins Engine are Mid-Range, Heavy-Duty, and High-Horsepower Engines. Cummins manufactures and markets a complete line of diesel and natural gas-powered engines for on-highway and off-highway use. Its markets include heavy-and medium-duty truck, bus, recreational vehicle, light-duty automotive and a number of industrial uses.

US Engine Production, Inc remanufactures a complete line of diesel and gas engines including GM, Ford, Caterpillar, Cummins,  Detroit, Isuzu, OPTIMIZER 6500 , GM 6.5 Turbo Diesel, 6.2 Diesel , 6.6 Duramax, GM 6.6L Duramx and Perkins.
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When it comes to Small-Block power, GM Performance’s keep finding new ways to add muscle to the iconic American V-8. They’ve developed new Fast Burn cylinder head castings that incorporate beehive-style valve springs and complementing valvetrain components.

The 6.0L Power Stroke was introduced for the 2003 model year and offered alongside the 7.3L Power Stroke for this single model year. By 2004, the 7.3L was completely phased out in favor of International's new, highly advanced 6.0L Power Stroke. 

US Engine Production, Incorporated is the best source for OEM Marine parts and accessories at below retail prices. We are pleased to offer the entire Marine catalog from MerCruiser and GM.