This heavy duty fuel pump spring boosts Holley(R) electric fuel pump pressure from 12 to 19 psi and increases overall fuel volume

Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis and suspension equipment and numerous other performance parts. The company has an impressive list of customers, ranging from grass-roots racers to top level NASCAR® and NHRA/IHRA race teams. The Moroso heritage continues with our constantly updated manufacturing and quality control systems. Computers with the latest CAD/CAM software have replaced the drafting tables and the Moroso plant is filled with sophisticated CNC machinery, including turret punch presses, turning centers and lathes. The combination of highly skilled craftsmen and highly accurate machinery guarantees that the tradition of quality started by Dick Moroso in 1968 will continue throughout the coming decades.

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