{"product_id":"fits-gm-universal-style-cast-iron-master-cylinder-mc1921h","title":"Fits GM Universal Style Cast Iron Master Cylinder MC1921H","description":"\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003cp\u003eGM Universal Cast Iron 1\" Bore; 9\/16\" \u0026amp; 1\/2\" Ports on Left Sides; Exact Copy of Original Master Cylinder has a piston adaptor that will allow for power or manual applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFor Disc\/Drum or Drum\/Drum Applications. (Note: if you are running Drum\/Drum you will also need a metering valve PVM)\u003c\/li\u003e \u003c\/ul\u003e","brand":"MBM Brakes","offers":[{"title":"Default Title","offer_id":48034943336661,"sku":"MC1921H-MBM","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/mc1921h-mbm-82ef65730dcc83b144c5d38843fec3a9d1876ea0.jpg?v=1759649854","url":"https:\/\/moderndaymuffler.com\/products\/fits-gm-universal-style-cast-iron-master-cylinder-mc1921h","provider":"Modern Day Muffler","version":"1.0","type":"link"}