D-300 / W-300 / M-300 Front Disc Kit · 1961–1971

Spindle hardware, 400 spacer, 3-inch GM caliper, roll-pin nut. Say single or dually.

$1,795 / $1,395

Shipping included. 1961–1971. Single-wheel and dually are different boxes.

D-300 / M-300 is 1961–1971. Power $1,795. Manual $1,395.

Power disc brakes $1,795 Buy Now Manual disc brakes $1,395 Buy Now Questions before you buy?

Wayne’s videos on this kit

In the kit

D300 spindle hardware and 400 bearing spacer
Mid-70s rotor opened for the larger bearings
GM caliper with a 3-inch piston

Questions before you buy?

Not sure this is the box? Ask first. We answer, then send an optional PayPal request — not a bill. Pay it when you’re happy. Nothing ships until you click pay.

Confirm fitment

Get the right kit

Not a bill. Year, make, model. Photo of the part if you have one. We confirm, then email an optional PayPal request. info@therammaninc.com

Name

Phone

Year

Make

Model

What do you need

Dual rear wheel

Notes

Pictures (optional)

Axle tag, hub, VIN plate, or the part. Up to four. They land on the email Wayne replies to.

Same family

1937–1954

D-100 · 1937–1954

Adapter plate, 1973 Chrysler sliders, rotors, valve. Power kit adds the booster and master.

From $1,395

1955–1971

D-100 · 1955–1971

Adapter plate, Chrysler sliders, rotors, valve. Power kit includes the booster and master.

From $1,395

1961–1971

D-200 · 1961–1971

Complete front disc kit. Wayne ships four or five D200s a month.

From $1,395