For 1969-1970 International 1300D Drum Brake Return Spring Kit Raybestos 49633JV | eBay
Mustang Rear Drum Brake Spring Kit V8 1965-1971
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Ford Mustang Drum Brake Performance Improvement
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Mustang Brake Rebuilding and restoration - Rear Drum Brakes
9" Rear Drum Brake Spring Kit - Repro ~ 1967 - 1970 Ford Mustang ( 1967 Ford Mustang, 1968 Ford Mustang, 1969 Ford Mustang, 1970 Ford Mustang ) at West Coast Classic Cougar :: The Definitive 1967 - 1973 Mercury Cougar Parts Source