Cylinder heads are understandably a vital ingredient in any recipe for "porcupine" horsepower pie, so whether the big-block in your Corvette is being built for street performance, drag racing, road ...

As crate engines go, GM Performance Parts' 454 H.O. crate engine is not only a bargain at its street price of around $4,600, its forged crank, pistons, and rods also make it capable of handling nearly ...

When it comes to old-school stock car racers and stock cylinder heads, Chevrolet's long-running "double hump" cylinder heads have always been the gold standard. They are among the best stock heads ...

This adventure started with a $300 set of used aluminum cylinder heads from a trashed '87 Corvette. Several months later, not to mention about $8,000, I found just over 80 hp, and about 90 lb-ft of ...