Not Your Father’s 4.108 Engine

Jay Foley of Foley Engines is taking an out-of-date Perkins 4.108 engine and bringing it into the 21st century. With an array of engine upgrades, this Not Your Father's 4.108 is a sailor's dream.

Twin Cam Harley-Davidson Motorcycle Engine Kit

For the past 36 years, Dan Fitzmaurice and the folks at Zipper’s Performance Products have been helping other engine shops deliver more power and performance to customers through the development of its motorcycle engine kits.

426 Chrysler HEMI Engine

Right now Ray Barton has 70 426 Chrysler HEMI engines sitting in his shop. In fact, Ray Barton Racing Engines, is world famous for these engines. From rebuilds to dyno services and valve train analyzing to cylinder head work, find out why his HEMIs are in demand.

NASCAR Cup Series Chevrolet 5.8L V8 Engine

At the NASCAR Cup Series level, teams are trying to get any extra horsepower they can. Earnhardt Childress Racing uses its engine development philosophy to find half, one and two-horsepower gains for its Chevrolet R07.2 5.8L V8 engine.
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