Evolution of Speed – N55 Intake Manifold
Evolution of Speed – N55 Intake Manifold
The Evolution of Speed Port Injection Spacer Kits and N55 Intake Manifold are designed for BMW E and F Series N55 engines, giving enthusiasts a clean way to add port injection while boosting fueling capacity and plenum volume. It’s available as a base kit with injector plugs, or as a fueling kit with options for injectors or without (so you can use your own).
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Fits both E and F Series BMW N55 engines
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Topside injector mounting for easy service and better looks
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Injectors positioned for optimal fuel flow to valves
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Includes 1/8″ and 1/4″ NPT taps for sensors or port-injected meth setups
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Basic fueling kit comes with PTFE smooth bore fuel line and crimped AN fittings
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Injector options: 52lb/hr standard, upgradeable to 72lb/hr or 95lb/hr
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Works with factory and most aftermarket intakes
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Fuel rail supports -6an ORB fittings (dead-end rail standard)
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Phenolic spacer included with manifold
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Injector plugs available if using for meth injection only
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Comes with 12 OE gaskets, 6 extended studs, 3 standoffs for air box, and adapters
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High gloss black powder coat standard (other colors on request)
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CNC machined after casting for precision and reduced weight
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100% cast and machined in the USA with in-house CNC control
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