Product details:

DESIGNED FOR OE-Style LS intake manifolds. HIGH HORSEPOWER CAPABILITY feeding up to 1,100+ HP engines. FEATURES 1/2 DIAMETER INNER BORE to decrease fuel pressure drop, help cancel out back pulses, and distribute fuel to all injectors properly. INCLUDES rails, matching fittings, crossover hose and hardware. BLACK ANODIZED ALUMINUM for great looks and long life.,Hardware > Tools,