TSP’s Mechanical Fuel Pumps are for those who want to upgrade their fuel pump without losing that classic look. their pumps are cast from light weight aluminum. Top Street Peformanceight aluminum and given a beautiful, high-quality chrome or black finish. They’ve been designed to flow at an improved rate over stock. All of their pumps feature an adjustable rotating plate for a custom-fit to their engine bay and have been given heavy duty rubber seals for optimum leak protection.