
Aluminum Shaft Mount Roller Rockers Oldsmobile 330/350/400/425/455
- Aluminum Shaft Mount Roller Rockers
- Oldsmobile 330/350/400/425/455
- 1.6 Ratio
- Zero Offset
- 7/16 in. Stud Thread Pitch
Procomp Electronics extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision-machined to ensure consistency and ratio accuracy and have a great looking anodized finish..
Ensure Consistency and Rocker Ratio Accuracy
Speedmaster's Aluminum Shaft Mount Rocker Arms are used around the world by professional racers, engine builders, and hot rod enthusiasts, offering outstanding power and performance advantages for street, strip and track applications. These rockers include steel shafts with pedestals and feature large needle bearings and roller tips. Speedmaster Rocker Arms not only unleash horsepower but also lengthen valvetrain component life and reduce wear and tear on valve stem tips.
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Take your valvetrain performance to the next level with Speedmaster Aluminum Shaft Mount Rocker Arms—a blend of precision engineering, durability, and horsepower gains. Crafted from extruded aircraft-grade aluminum and supported by steel shafts with rigid pedestals, these rockers unlock consistent ratio accuracy and smooth operation under demanding conditions.
Designed for high-RPM and high-lift applications, each rocker arm features large needle bearings and roller tips that minimize friction and reduce wear on valve stem tips, extending valvetrain life and enhancing efficiency. Precision machining ensures each unit delivers dependable performance with exacting tolerances across the entire set.
Available for a wide variety of engine families—including Chevy small and big blocks, LS platforms, Mopar, Ford FE, and Oldsmobile—these arms cater to street builds, race cars, and everything in between. Options range in gear ratios such as 1.5, 1.6, 1.7, and 1.76, with choices of splitter ratios and finishes to meet your build goals.
If you’ve been shopping for reliable shaft rocker arms that deliver both strength and precision, these speedmaster shaft rockers fit the bill. And for those seeking the smoothest motion and longest life under aggressive cam setups, the speedmaster roller rockers offer the ideal balance of performance and durability.
Upgrade your setup with Speedmaster Aluminum Shaft Mount Rocker Arms—where reduced friction, extended component life, and engine response meet smart design.