1-Piece Billet Aluminum NOS Plate with Black Anodized Finish;This dry single stage plate sandwiches between the bottom base and top plate on Holley Hi-Ram intake manifolds; Designed specifically for optimum NOS distribution on LS-based engines; Sprays NOS directly into each cylinder runner for proper NOS distribution; Features a machined 0.103” passage that feeds eight 0.040” openings per intake runner; Plate is made from billet 6061-T6 aluminum and has laser etched NOS logo; Anodized Black for corrosion resistance and high quality appearance; Includes jetting for 50, 100, 150, 200, and 250 horsepower configurations; Supports up to 1000+ horsepower (jets purchased separately); Includes Plate, Gasket, Hardware, Jet Holders, and Jetting for up to 250 horsepower;