Rocker Arms Archives - Engine Builder Magazine
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 Mopar Rocker Arm Kits

MOPAR Emblem Rocker Arm offerings are expanding to include both 1.6 Ratio (LA & B/RB engine families), and 1.7 Ratio (B/RB engines). Features include a roller tip design, internal oiling shaft-to-rocker channel system to lubricate the pivot area, and low-friction bronze bushings; all the same as the popular, high demand MOPAR Emblem 1.5 ratio rockers.

Jesel Certified Performance Rebuilds

Engine components are serious investments for any racer and maintaining that investment could be the difference between winning a championship and losing it.

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.

Jesel Pro-Steel Rockers for 6.7L Powerstroke

Jesel Valvetrain Innovation’s new Pro-Steel Rocker system will be available exclusively through Kill Devil Diesel and its dealers.

Rocker Arm Tech – Part 3

In the previous two rocker arm videos, Steve Morris discusses rocker arm styles and types and the different rocker arm stands that there are. In this episode, he discusses rocker arm geometry and its impact.

Rocker Arm Tech – Part 2

In part 1 of this 3-part series on rocker arms, Steve discussed different rocker arms and rocker arm stand set ups. In this video, he goes over the rocker arm styles and what you should be looking for depending on your application or horsepower goals.

Rocker Arm Tech – Part 1

In this episode of Steve Tech, Steve Morris breaks down the fundamentals of rocker arms, rocker arm stands and valvetrain rocker arm geometry. Class is in session!

Valves, Rocker Arms & Pushrods

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

Proform’s MOPAR Shaft-Mount Rocker Systems

These new shaft-mount systems are 1.5 ratio. They’re available for both small-block (LA), and big-block (B/RB) engines.

Proform Super Street Pedestal-Mount Rocker Arms

Designed for use in street, strip, and circle track applications, the roller rockers have an internal oiling system, and allow for larger springs and retainers.