This 1978-1982 Chevrolet Corvette Muscle Car EFI Fuel Pump modules are designed as a direct replacement for your factory pick-up and sending unit. There is no need to purchase a custom EFI fuel tank. You can even retain the factory fuel hard line, just connect the outlet of the pump module to the hard line on your vehicle with EFI-rated fuel hose and hose clamps available in the Earls Vapor Guard line. This Muscle Car EFI Module includes a 255 LPH fuel pump and a Holley HydraMat. HydraMat is an amazing patent-pending fuel reservoir system that reduces fuel starvation issues that might otherwise occur while cornering, accelerating, stopping, traversing inclines, and during low fuel conditions. High Press. 255-lph Unit Capable Of Supporting EFI Engines 550HP Incl. Pre-Calibrated Fuel-Level Sending Unit Designed To Work w/Factory Fuel Gauge Already In Vehicle Incl. HydraMat Fuel Mat w/Internal Reservoir Keeps Fuel At The Pickup While Protecting From Contaminates Pressure Is Regulated Internally / Preset To 58psi Additional Attributes: GTIN: 00090127062562 Fuel System Type: EFI Fuel Type: Gasoline WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Packaging: Quantity of Each: Package UOM: Dimension: 10.0000 x 20.2500 x 6.2500 inches