You just got your new set of aluminum cylinder heads for your engine, but now you have a decision to make. You can either install the heads just as they were sent to ...

`It's the same old question that is debated daily. Everyone wants power, but few have the resources to buy those romantic CNC-ported heads with unobtainium valves that cost a bazillion bucks. The ...

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 ...

John Urist, Billy Glidden, Tony Bischoff, and Jim Kuntz. These are all engine builders and racers that have won championships with Edelbrock’s legendary SC-1 cylinder head. Matter of fact, Urist won 7 ...