1990 Buick Riviera Nitrous Oxide Systems
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Nitrous Express®EFI Single Nozzle Nitrous SystemBuick Riviera 1990, EFI Single Nozzle Nitrous System by Nitrous Express®. The NX EFI nitrous system is the top of the line EFI power booster on the market. From the billet aluminum and carbon fiber solenoids, to patented Shark nozzle,...High quality at an affordable priceExpertly made from premium materials$874.52 - Nitrous Oxide Systems®Drive-By-Wire Wet Nitrous KitBuick Riviera 1990, Drive-By-Wire Wet Nitrous Kit by Nitrous Oxide Systems®. A great complement to NOS's cutting-edge nitrous kits, this one is great for vehicles where NOS application-specific kit is not available. Designed to work on...Designed for 4 & 6 cylinder drive-by-wire enginesExclusive NOS "Soft-Plume" Fogger nozzle finely atomizes the fuel for superior nitrous and fuel distribution$1,159.95
