Buick Limited 4R70W Parts

This 1960 Buick blurs the line between car and fine art.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Follow this visual guide on installing spacer rings for Buick style finned brake drums to help center the drum on the hub. Learn some tips on using old and new parts for the installation.

Tim explains the process of adjusting Buick Finned Drums to fit Speedway's self-energizing backing plate assembly.

You can slip these Finned Aluminum Buick Brake Drums on to any one of our 1937-48 Ford hubs or 12x2 Bendix brakes. No machining. No re-drilling. Not a cover. Just classic hotrod style.

With the new housing and brakes installed, Jeff chooses new wheels and tires for his 1967 Chevelle. See how he gets the perfect fit with enough clearance for brakes, coilovers and even 15" wheels.

Mick Rau has a garage full of cool cars, but this Hirohata-inspired Merc is a standout.

There's something special about your first car. Here are a few from the Speedway Motors team.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

In this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.