Vibrant Performance EFI Adapter Fittings are lightweight and constructed from 6061 Aluminum alloy. Our EFI Adapter Fittings are suitable for use with our lineup of Hose End Fittings and deliver quality, reliability, smooth flow, ease of assembly and the comfort of an anti-leak seal. All Vibrant Performance EFI Adapter Fittings are available in anodized black only. Catalog