Normally, when issues like damage and high mileage make replacing the cylinder heads on a 6.6L Duramax diesel engine necessary, most people use rebuilt stock heads. This has been the standard practice ...

Despite Edelbrock's long-standing reputation, it seems late-model EFI lovers dismiss the company as an older-generation manufacturer. However, lately Edelbrock has been working very hard to shatter ...

One of the key enablers to building a different engine for your street/strip car is finding a cylinder head that flows plenty of air and fuel, and is widely available. Fans of the big-inch Buick V-8s ...

Yes, the new Edelbrock Performer RPM heads are good. On our 2006 5.7L-based test engine, we picked up 49 hp and 28 lb-ft of torque by simply bolting them on. The heads are available with three ...