rocker arms

For all its advantages, the LS has a few notable drawbacks—with a non-adjustable valvetrain perhaps being the most prominent. While that’s not a big deal for most engine builders, it […]

It should go without saying that correct rocker arm specs are something you want to get right the first time. But measuring a rocker arm isn’t as straightforward as you […]

From extreme heat cycles to the constant hammering from pushrods and valves, the rocker arms in your engine’s valvetrain put up with a lot. That also means that they won’t […]

Scorpion Racing Products has been in the performance engine arena for decades now, and during that time it has developed a fantastic lineup or rocker arms for a wide range […]

We started our race engine after it sat all winter and the engine started running rough. We discovered a pushrod hat had punched right up through the pushrod cup. I’ve […]

I have a 1970 Nova SS with a 11.5:1 compression, 355 cubic-inch small block. It has Sportsman II heads, a COMP Cams hydraulic camshaft (292 degrees advertised duration, .507 inches […]

In today’s video, our friend Eric the Car Guy will show you how install roller lifters, roller rockers, and pushrods on a small block Chevy engine. The principals for installing […]

Tons of options are available when it comes to rocker arms for domestic V8 engines. When examining today’s crop of roller rockers, it becomes clear that a considerable amount of […]

You’ve got questions. We’ve got answers. We work with the Summit Racing tech department to tackle your automotive-related conundrums. This week, we’re talking about aluminum vs. steel roller rockers and rocker […]

Q: Last year, I rebuilt my Ford 300 cubic-inch straight-six engine. The head was shaved .010”, the valve seats were reground, and the crank resized. The block was bored and cleaned […]