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Evolution of Speed S55 Port Injection Kit
Evolution of Speed Port Injection Spacer Kits for the S55 are now available.
Just like the intake manifold kits, the machining on these kits is second to none. EOSPEED has custom 7mm intake studs with a hex on the end for easy installation. No other kit has this kind of detail built into it.
The fuel rail has two ports for a return fitting so it can be run as a dead end rail or return to your external fuel pressure regulator