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Probe Industries currently manufactures Shaft Rocker Systems for Big Block Chevy, Small Block Chevy and Small Block Ford to fit over 16 Cylinder Head manufacturers. Probe Industries Shaft Rocker Systems offer exceptional rigidity and stability when compared to conventional stud mounted rocker systems. Shaft systems also ease access to the valve train, facilitating valve adjustments and other maintenance functions. Probe Industries Shaft Rocker Systems are CNC machined of 2024-T3511aluminum and feature dual needle roller bearings. The shafts are manufactured of aircraft certified steel, the stands on are made of steel for increased stability and use a pair of 1,100 foot pound capacity Torrington captured needle bearings.

Select from the Shaft Rocker applications below to explore the many choices available.
Chevy Big Block V8
Available for Brodix, Canfield, DART, Edelbrock, Stock, ProComp and Pro Topline Cylinder Heads, Probe Shaft Rocker Arm systems for Big Block Chevrolet engines feature lightweight but strong 2024 t-3511 extruded alloy rocker bodies with dual, fully caged Torrington needle roller bearings. Also featured are tool steel nose rollers and axels for smooth long lasting performance. The steel stands are CNC machined and feature locating dowels for precise roller over valve alignment. They are available in 1.7 and 1.8 ratios and fit all stock and aftermarket cylinder heads with stock rocker boss to valve relationship.

Chevy Small Block V8
Available for AFR, Bowtie, Canfield, DART, Edelbrock, Iron Eagle Stock and World Cylinder Heads, Probe Industries Shaft Rocker systems for Small Block Chevy applications offer exceptional rigidity and stability when compared to conventional stud mounted rocker systems. Shaft systems also ease access to the valve train, facilitating valve adjustments and other maintenance functions. Probe Industries Shaft Rocker Systems are CNC machined of 2024-T3511aluminum and feature dual needle roller bearings. The shafts are manufactured of aircraft certified steel, the stands on are made of steel for increased stability and use a pair of 1,100 foot pound capacity Torrington captured needle bearings.

Ford Small Block V8
Available for AFR, Brodix, Blue Thunder, Canfield, DART, Edelbrock, Stock, TFS and World Cylinder Heads, Probe Industries Shaft Rocker systems for Small Block Fords offer exceptional rigidity and stability when compared to conventional stud mounted rocker systems. Shaft systems also ease access to the valve train, facilitating valve adjustments and other maintenance functions. Probe Industries Shaft Rocker Systems are CNC machined of 2024-T3511aluminum and feature dual needle roller bearings. The shafts are manufactured of aircraft certified steel, the stands on are made of steel for increased stability and use a pair of 1,100 foot pound capacity Torrington captured needle bearings.