i have a disc conversion off of a 73 cuda and was wondering what i will need to fit it on my 72 duster???

What conversion parts do you have? Please list everything.

Was the '73 'Cuda originally a disc brake car? Does your '72 Duster have 9" drum brakes?

'73 E-bodies used nearly the same front brakes as the '73 and later A-bodies, but we really need to know what you have for parts.

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Joshua

its 10in front drum on the 72 duster. its original disc on the 73 cuda.

i heard the only differance is that 72 has small dia. balljoint and the 73 is the large.

Right, you need the big ball joint upper control arm for your Duster. Of the 10" drum brake cars I believe only the '73 and later had the large upper ball joint. Everything else from the E-body should bolt on, but be careful with the brake hoses as they may or may not fit well. Don't forget a disc brake master cylinder.

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Joshua