64 (Canadian) Valiant Signet (aka Dart GT) front disc brake conversion

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Sources to check out that everyone has provided:

A153 Front Disc Brake Conversion Kit, Mopar Non Power – SSBC-USA

Classic Disc Brakes: 1960-76 Plymouth Complete Front Disc Kit Booster Combo

1964 Plymouth Valiant Brakes Parts | Speedway Motors

1960-72 Dodge, Plymouth "A" body, with 9" drums Wheel Kit (scarebird.com)

1962-1976 Mopar A Body Small Bolt Pattern Power Disc Brake Conversion Kit - Pirate Jack