While the most economical way of upgrading brakes is to use OEM parts,
Mopar A-Body cars have several aftermarket options available, many of which
offer improved performance over the best OEM components. Some have options
for small bolt pattern (SBP) wheels with the 4" bolt circle while other
have options for large bolt pattern (LBP) wheels with the 4.5" bolt circle.
1960-1972 - 9" Drum Brake to Disc Brake Upgrade
This upgrade is for those people wanting to keep their SBP wheels and their
9" drum brake spindles. There are three companies that offer kits to
upgrade to disc brakes: Aerospace
Components, Scarebird, and Wilwood.
The products available are:
Stories of those who have converted the 9" drums to disc brakes:
1965-1972 - 10" Drum Brake to Disc Brake Upgrade
This upgrade is for those people wanting to keep their SBP wheels and their
9" drum brake spindles. There are four companies that offer kits to
upgrade to disc brakes: Scarebird, Lamb
Components, Stainless Steel
Brakes Corporation and Wilwood.
The products available are:
While the SSBC kit is more expensive than the Scarebird kit, it also includes
the rotors (dual pattern), calipers, and master cylinder. Besides having
to supply these on the Scarebird kit, you also have to machine a new bolt
pattern into the rotors. Factor the parts and machine work into the total
cost of the project before making your decision.
Stories of those who have converted the 10" drums to disc brakes:
Kelsey-Hayes Disc Brake Upgrade
1973-1976 Slider Disc Brake Upgrade
Rear Disc Brake Conversion
Aftermarket Sites
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