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NITROUS EXPRESS LT4 Nitrous Kit & Billet LT4 Supercharger Lid w/ No Bottle

$2,695.37

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This 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 inside of the supercharger lid, providing direct port style distribution. Systems come standard as a single stage with jetting for 100 to 300WHP. This lid is made from a solid piece of billet aluminum with 1/8NPT machined directly into the lid, which makes it easy to add a direct port water/methanol later on.
  • Billet aluminum and carbon fiber lightning solenoids
  • Billet aluminum Lightning 500 bottle valve
  • Stainless steel braided lines
  • Stainless steel bottle brackets
  • Wiring, switches, and every nut, bolt, and connector needed to install the system


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  • Model: 20939-00
  • FROM: NITROUS EXPRESS (NX)

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we added this on Wednesday 18 April, 2018.

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