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 ...

When Edelbrock introduced their Mopar small-block heads a couple of years back, they filled a sorely needed void in the Mopar performance marketplace-an affordable, bolt-on, high-flow replacement ...

Edelbrock-which has been on an absolute tear recently with all sorts of new cylinder heads for various American V-8 applications (both popular and obscure)-recently released a line of aluminum ...

Using a much smaller plenum volume, longer runners, and a larger runner cross section, the Edelbrock intake seemed a shoe-in for increased performance. However, when tested with the stock heads ...

With an Edelbrock intake, cams, heads, carbs and water and fuel pumps, the 468- cubic-inch big-block Chevrolet made 540 hp and 539 lb-ft of torque (those are gross figures, not today’s legal SAE ...