rocker arms

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 […]

Stamped steel rocker arms are common on budget crate engines, and many race classes require the use of stamped steel rockers. Because they do not feature a roller bearing pivot, […]

I race a Corvette in the vintage road race classes and I have had a rash of broken rocker arms. The rules prevent me from converting to roller rockers. Is […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining how changing rocker arm ratio can help performance. T.Y.  Thornton, IL […]

Which rocker arm mounting system is best for your application? You’ll find out by watching this five-minute Summit Racing Quick Flicks video. In it, the Summit Racing crew will explain […]

Rocker arms are among the most stressed components in your engine—and the most important, too. They’re essentially tasked with transferring movement from the camshaft lobes to the valves, making them […]

Good news motorsports competitors: Scorpion Racing Products offers shaft mount rocker arms. Shaft mount rockers are ideal for high-rpm applications, including circle track, dirt track, and drag racing engines, because they increase […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering rocker arm ratio and how it affects performance. S.B. • Atlanta, GA […]