Forged hose ends are slightly more compact than a tube version of the same angle and are best used where space is limited. Forged hose ends do offer additional strength over tube type fittings, but their flow characteristics are not as good as a tube hose end of the same angle. Fittings are swivel, double seal.
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That's the thing with an engine swap... we don't know what's gunna happen... unless you're buying a swap kit from LOJ Conversions for your 350Z with an LS... Those kits work, they're good! Click Here for VideoAl and Woody - The Skid Factory