Nitrous Express Nitrous & Water Injection Nitrous Kit w/Billet LT4 Supercharger Lid w/o Bottle (20939BMF-00) 1609 Give your Audi S3 or

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Clamps Provide Tight Connections/Durability

hybrid 2014 Lexus RX450h hybrid

seals and o-rings all come pre-installed

Nitrous Express Nitrous & Water Injection Nitrous Kit w/Billet LT4 Supercharger Lid w/o Bottle (20939BMF-00) 1609 Give your Audi S3 orThis Billet LT4 Supercharger Lid replaces the upper supercharger lid on all GM LT4 Superchargers for a quick and clean install. Nitrous and fuel are injected into each cylinder from the side of the runner providing direct port like distribution ensuring maximum performance. This lid is made from a solid piece of billet aluminum with 1 8NPT machined directly into the plate so there is no need to worry about gaskets leaking. The nitrous system comes