A tip (120, 220, 320, 420) for a nozzle of a fuel injector, the tip comprising: a tip body (130, 230, 330, 430), the tip body defining a longitudinal axis of the tip; a swirler (132, 232, 332, 432), situated within the tip body, wherein the swirler includes a plurality of pre-swirl passages (158, 258, 358, 458), wherein each one of the plurality of pre-swirl passages has a longitudinal axis which extends in both a radial and axial direction relative to the longitudinal axis of the tip; a feed annulus (162, 262, 362, 462), the feed annulus configured to receive a flow of fuel from the plurality of pre-swirl passages, wherein the plurality of pre-swirl passages are configured and arranged such that the flow of fuel entering the feed annulus has a flow velocity having a tangential component; wherein the swirler includes a plurality of swirl chamber passages (168, 268, 368, 468), the plurality of swirl chamber passages configured to receive the flow of fuel from the feed annulus, wherein each one of the plurality of swirl chamber passages includes a longitudinal axis which extends in only the radial direction relative to the longitudinal axis of the tip; wherein the swirler includes a swirl chamber (170, 270, 370, 470), the swirl chamber configured to receive the flow of fuel from the feed annulus via the swirl chamber passages such that the fuel is swirled prior to exiting an orifice of the tip body, and wherein the feed annulus is radially outside of the swirl chamber relative to a longitudinal axis of the tip; characterized in that the longitudinal axis of each of the plurality of swirl chamber passages is curved. a tip body (130, 230, 330, 430), the tip body defining a longitudinal axis of the tip; a swirler (132, 232, 332, 432), situated within the tip body, wherein the swirler includes a plurality of pre-swirl passages (158, 258, 358, 458), wherein each one of the plurality of pre-swirl passages has a longitudinal axis which extends in both a radial and axial direction relative to the longitudinal axis of the tip; a feed annulus (162, 262, 362, 462), the feed annulus configured to receive a flow of fuel from the plurality of pre-swirl passages, wherein the plurality of pre-swirl passages are configured and arranged such that the flow of fuel entering the feed annulus has a flow velocity having a tangential component; wherein the swirler includes a plurality of swirl chamber passages (168, 268, 368, 468), the plurality of swirl chamber passages configured to receive the flow of fuel from the feed annulus, wherein each one of the plurality of swirl chamber passages includes a longitudinal axis which extends in only the radial direction relative to the longitudinal axis of the tip; wherein the swirler includes a swirl chamber (170, 270, 370, 470), the swirl chamber configured to receive the flow of fuel from the feed annulus via the swirl chamber passages such that the fuel is swirled prior to exiting an orifice of the tip body, and wherein the feed annulus is radially outside of the swirl chamber relative to a longitudinal axis of the tip; characterized in that the longitudinal axis of each of the plurality of swirl chamber passages is curved.