GKTech 350Z Rear Brembo to S Chassis/R32/R33 Weld On Caliper Bracket

These feature CNC machined steel pieces that are to be welded in where the OEM caliper is usually installed. I have Skyline (R32, R33, R34) calipers currently, do I need new brake lines?. R33 SKYLINE GTS-T.

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