These fuel rails are machined from aluminum extrusion. They feature a proper -8AN o-ring fitting on on each end for use with the regulator and fittings of your choice. These fuel rails include mounting provisions for use with b23,b230, and b234 configurations. It is finished in black anodize.
A fuel system (in tank pump, lines, regulator, and rail) upgrade should be considered if you are looking to make 350+whp from your red block engine.
