The AP Racing CP2576 / CP2577 / CP3176 / CP3177 and CP3178 range of aluminium 2 piston lug mount brake calipers are ideal for use on the rear of lightweight circuit or rally cars. The calipers feature aluminium pistons and quick release 'R' pad retaining clips.Lightweight and rigid aluminium alloy bodyQuick release pad retaining clipsNon-handedSuits solid discs up to 267mm diameterIdeal for the rear of lightweight race and rally carsAP Racing CP2576 / CP2577 / CP3176 / CP3177 and CP3178 calipers all share the same features apart from piston sizes:CP2576 piston size - 41.3mm x 2, piston area - 26.76cm²CP2577 piston size - 44.5mm x 2, piston area - 31.04cm²CP3176 piston size - 38,1mm x 2, piston area - 22.80cm²CP3177 piston size - 36.0mm x 2, piston area - 20.35cm²CP3178 piston size - 31.8mm x 2, piston area - 15.83cm²Caliper SpecificationsMin Disc Dia267mmMax Disc Dia267mmDisc Thickness9.7mmPiston DiaSee details abovePiston AreaSee details aboveInlet Port3/8" x 24 UNFMount TypeLugMounti