AEM Electronics High volume fuel rails are designed specifically to maintain stable fuel flow for engines up to 1,000 horsepower.No additional parts are required for installation - installs with factory fuel line using supplied fittingPre-tapped for -6 AN or 9/16"x 18 fittingsSpecifically engineered for each applicationWorks with factory fuel lines or custom fuel lines1/2 inch bore dampens backpressure pulses from larger fuel injectors1/8 NPT port enables additional aftermarket add-onsCNC Machined from billet aluminiumBlack anodizing with laser engravingComplete hardware, fittings and injector O-rings includedAEM High Volume fuel rails feature a large 1/2-inch fuel bore to support fuel flow for applications up to 1,000 horsepower. This large bore also dampens backpressure pulses created by larger injectors and works perfectly with stock injector sizes. Featuring an additional 1/8th NPT port enabling a nitrous set-up or fuel pressure gauge for additional upgrades. A custom fuel line fit