External Oil Pump Single Stage Tri-Lobe RHS GM LS

The External Oil Pump Single Stage Tri-Lobe RHS GM LS from Moroso is designed for LS engine builders and high-performance mechanics who require reliable oil circulation without belt-drive parasitic loss. This right-hand shaft configuration ensures consistent pump performance across various LS platforms, making it essential for serious engine modifications where factory pump capacity may not suffice.

The tri-lobe rotor design maximizes volumetric efficiency while maintaining low noise operation, which is crucial for modern LS builds. The single-stage configuration offers minimal complexity and superior reliability compared to multi-stage alternatives, while the right-hand shaft orientation is compatible with standard LS block configurations and aftermarket mounting solutions.

This pump is ideal for professional LS builders, turbo and supercharger installers, and street/strip enthusiasts looking to enhance their engine's performance. Its compact footprint of 7 x 8 x 7 inches and weight of 5.15 lbs allows for straightforward packaging, even in tight engine compartments.