If your brake line fittings and remote reservoir connections use the standard M10 × 1.0 metric port spec, the Red Nut (MAR5260HM161MAB) is your unit. If your build calls for the LHE-ready configuration, the Gold Nut LHE-ready (MAR5260HM161MBBS) is the...
If your rally or stage-rally pedal box does not include a hydraulic handbrake circuit, the standard Alcon 0.9375" Bore Master Cylinder (Gold Nut) covers everything you need at a lower outlay. If you are routing a hydraulic handbrake or need...
Short answer: The Gold Nut (MAR5240HM161MBB) uses a 3/8”-24 UNF outlet port, making it the right choice for North American race builds plumbed with standard AN or UNF brake line fittings. The Red Nut (MAR5240HM161MAB) uses an M10×1 metric outlet...
