B&M AC 427 700R4 Parts

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

Learn the proper steps in upgrading your air cleaner assembly to ensure clean air, allowing your engine to more easily make the power that it should.

Learn about Model A radiator mounting. Speedway employee Tim is installing a 1932 Ford radiator on his roadster. Follow his step by step installation guide.

The process of changing out a heater core in a 1957 Bel Air. This article discusses the assembly of parts and important tips to remember while changing out a heater core.

Some basic info on the various exhaust options carried by Speedway Motors.