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Nitrous Express Holley Hi-Ram Plenum Plate Systems take full advantage of the Holley Hi-Ram intake manifold. The Hi-Ram plenum plate bolts right in between the upper and lower intake manifold making the install super clean and quick. These systems inject nitrous and fuel above each cylinder from the side of the runner providing direct port-like distribution without having a flow restricting nozzle or spray bar. The Hi-Ram nitrous plate is made from billet aluminum with passages machined directly into the plate so there is no need to worry about spray bars breaking or spinning. The systems come complete with billet aluminum and carbon fiber Lightning solenoids, stainless steel braided lines, wiring, switches and every nut, bolt and connector needed to install the system. The systems ordered with a nitrous bottle include a billet aluminum Lightning 500 bottle valve and the stainless bottle brackets.
Not Yet Reviewed
$1,624.48
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$1,872.94
Did you give up your gas guzzler for a sport compact car with a 4-cylinder? No problem--these Nitrous Express Sub-C nitrous systems have been specially engineered for today's small 4-cylinder engines by using lower horsepower settings and lower cost. They include a wide-open throttle switch, stainless steel bottle brackets, stainless steel based solenoids, braided stainless steel nitrous and fuel lines, and all necessary mounting hardware. Available with your choice of a 5 lb., 10 lb., 12 lb., or 15 lb. bottle, Nitrous Express Sub-C nitrous systems ease the pain of going green.
Not Yet Reviewed
$1,605.48
If you have a carbureted vehicle and you're on a budget or are just getting started, Nitrous Express Stage 6 nitrous systems could be the ideal beginning point. They're tunable to deliver power boosts in six graduated increments, from 50 hp all the way up to 300. That means you can pick one of the lower increases for an engine that's close to stock, and then ramp things up later on when you add forged pistons. Systems include: * Nitrous distribution plate * Supply hose and fittings * Solenoids * Switches * Wiring * Jets * Mounting hardware * Race fuel required for increases above 150 hp
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$1,688.25
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$2,138.63
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