This injector plate insures a steady, precise metered flow of nitrous and fuel into the engine for reliability, and is backed by years of dyno and drag strip testing. It is available for those who want build their own system or would like to replace the plate they already have. This plate is 1/2 in. thick, constructed of die-cast aluminum and finished in a durable black finish. It includes all applicable gaskets, studs, jets and plumbing.