This Remaster master cylinder features a small, compact, 1-piece body machined out of 6061 T6 billet aluminum with a 1" bore, left side ports and a 4-bolt mounting flange fitting many early Mopar applications. The billet top is attached with 6 allen screws and has two large billet aluminum, knurled screw-on caps making for easy filling without spillage. The unique outlet port design allows for either inverted flare (w/included removable seats) or banjo style, straight fittings. The Remaster is compatible on most long and short, w/included bullet, boosters or manual brake applications. Optional proportioning valves also available Baer Brakes Remaster Master Cylinder: A small, compact, 1-piece body machined out of 6061 T6 billet aluminum, 1.000 in. Bore, Left Side Ports, Black Anodized, with a early Mopar 4-bolt mounting flange.