Sb/Bb Chev Oil Restricto

The Sb/Bb Chev Oil Restrictor by Milodon is a precision-engineered component designed for serious Chevy V8 engine builders and performance enthusiasts. These hex-head restrictors regulate oil flow to critical engine components, protecting high-revving and modified motors from over-oiling conditions that cause excessive drag, heat buildup, and bearing wear. Whether you're running a small-block or big-block Chevy platform, oil restrictors are essential when upgrading your engine with high-performance camshafts, lifters, or increased boost levels.

Manufactured from black anodized aluminum, this pair of restrictors delivers durability and corrosion resistance in demanding engine environments. The hex-head design allows for easy installation and precise tuning—mechanics can select orifice sizes matched to their specific engine combination, controlling flow to rocker arms and valve train components. Milodon's engineering ensures that restrictors maintain consistent performance across extended rev ranges, preventing oil starvation while eliminating parasitic losses from excessive circulation that reduces horsepower and increases operating temperatures.

These restrictors are ideal for race engines, forced-induction builds, and high-lift cam applications where valve train reliability is non-negotiable. Installation is straightforward for experienced mechanics—they thread into existing oil gallery ports, requiring no block modifications. The compact dimensions and minimal weight ensure zero impact on engine bay packaging, making them compatible with both carbureted and fuel-injected small-block and big-block Chevy platforms used in street rods, drag racing, circle track, and muscle car restoration projects.