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. 3633 Big-Block Chevy Fuel Rail kits is for use with Super Victor Manifolds #29275 and #29025 and standard injectors. Rails will have a Clear Anodized Finish and -6 AN inlet/outlets.