All Edelbrock fuel rails are machined from high quality extruded aluminum. Each kit includes fuel rails, stands and mounting hardware. Fuel fittings, crossover line and regulator not included. 3631 Small-Block Chevy E-Tec EFI Fuel Rail Kit is for use with Super Victor Manifold #29135. Rails will have a Clear Anodized Finish and -6 AN inlet/outlets.