{"product_id":"fits-gm-1967-1977-gm-restoration-cast-iron-master-cylinder-mc309","title":"Fits GM 1967-1977 GM Restoration Cast Iron Master Cylinder MC309","description":"\u003cp\u003e\u003cstrong\u003eIntroducing the GM Restoration Cast Iron Master Cylinder (SKU: MC309)\u003c\/strong\u003e—a premium replacement part engineered to restore the braking performance of classic GM vehicles from 1967 to 1977. This master cylinder is crafted to mirror the original equipment specifications, ensuring both functionality and authenticity for your restoration project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuthentic Design:\u003c\/strong\u003e An exact replica of the original GM master cylinder, featuring casting number 5463809 for period accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Quality Construction:\u003c\/strong\u003e Manufactured from durable cast iron with a natural finish, providing longevity and resistance to wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Bleeder Valves:\u003c\/strong\u003e Equipped with bleeder valves on the left side ports, facilitating easy air removal during the brake system bleeding process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for both manual and power brake systems, accommodating various restoration needs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eItem Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MC309\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 1-1\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Sizes:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eFront Port: 9\/16\"-18 inverted flare\u003c\/li\u003e\n\u003cli\u003eRear Port: 1\/2\"-20 inverted flare\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 8 inches\u003c\/li\u003e\n\u003cli\u003eHeight: 5 inches\u003c\/li\u003e\n\u003cli\u003eCenter Mounting Holes Distance: 3-3\/8 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 10 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis master cylinder is suitable for a range of GM vehicles equipped with disc\/drum brake systems from 1967 to 1977, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChevrolet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1967-1969 Camaro\u003c\/li\u003e\n\u003cli\u003e1967-1972 Chevelle\u003c\/li\u003e\n\u003cli\u003e1967-1977 Corvette\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePontiac:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1967-1969 Firebird\u003c\/li\u003e\n\u003cli\u003e1967-1970 GTO\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis master cylinder features a deep bore design and includes a shallow bore adapter, making it compatible with both manual and power brake applications. Ensure compatibility with your vehicle's brake system before installation.\u003c\/p\u003e\n\u003cp\u003eRestore your classic GM vehicle's braking system with the MC309 Master Cylinder, offering authentic design and reliable performance for your vintage automobile.\u003c\/p\u003e","brand":"MBM Brakes","offers":[{"title":"Default Title","offer_id":48034958573781,"sku":"MC309-MBM","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/fits-gm-1967-1977-gm-restoration-cast-iron-master-cylinder-mc309-modern-day-muffler-1.jpg?v=1739301856","url":"https:\/\/moderndaymuffler.com\/products\/fits-gm-1967-1977-gm-restoration-cast-iron-master-cylinder-mc309","provider":"Modern Day Muffler","version":"1.0","type":"link"}