We have 3 different styles to match your performance needs

Shaft Rocker Systems
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-T3511 aluminum and feature dual needle roller bearings. The shafts are manufactured of aircraft certified steel. Also the stands on all Probe Rockers are made of steel for increased stability. Probe Industries Shaft Rocker Systems use a pair of 1,100 foot pound capacity Torrington captured needle bearings.

Lightweight Rocker Arms
Probe's new lightweight rocker bodies produce quicker response & more power. You've spent big money on titanium valves, retainers and lightweight push rods to reduce valve train weight. Now you need a rocker that has reduced reciprocating weight. This allows you to run less valve spring pressure. Made of billet 2024 t3511 high strength alloy for ultimate strength and fatigue resistance.

Big Block Chevy - Shaft Mount Rocker System
Probe is excited to release the new Shaft System for Big Block Chevy engines. They feature light weight 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.