rockers Archives - Engine Builder Magazine
Scorpion Endurance Series Shaft-Mount Rocker Arms

Scorpion’s Endurance series rocker arms feature fully-radiused bodies CNC-machined from 7000 series aluminum.

CHE Precision LS Series Rocker Arms

CHE found ways to improve the factory production rocker arms reliability.

Jesel Pro Aluminum Series Shaft Rockers

Jesel rockers’ custom blended 7000 Series aluminum alloy allows for the design of an extremely durable and lightweight valvetrain assembly.

Reid Machine’s 392 Intake Roller Rocker Arms

These rocker arms come ready to handle just about any racing application.

PROFORM Super-Street LS Pedestal-Mount Roller Rockers

PROFORM’s Super-Street LS Roller Rockers are for LS Gen III/IV V8 engines. Built to accommodate high-performance valve springs, up to 750 lbs., these rockers are constructed from aircraft-grade 6061-T6 aluminum.

Valves, Rocker Arms & Pushrods

Just keep in mind your application, your rpm range and horsepower goals. The valvetrain puzzle falls into place from there.

Selecting Pushrods, Rockers and Springs for Your Build

Everybody knows you need the right combination of valvetrain components to maximize an engine’s power potential. The trick is figuring out which components are the “right” ones for a given application. A high revving engine with an aggressive cam needs lightweight rocker arms and stiffer valve springs to keep up with the cam.

A Look Into Jon Kaase’s Shaft-Mounted Rockers for Big-Block Fords

At first glance, Jon Kaase’s new shaft-mounted rocker arrangement for his P-51 big-block Ford cylinder heads conveys stability. To the competition valve train, it contributes both strength and accuracy. However, the new arrangement possesses many more appealing prospects, some of which are concealed. For example, the 0.900in wide aluminum rocker bodies are characterized partly by