Lokar Corvette C4 700R4 Parts

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.

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.

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

Check out the killer '67 Corvette build by CAL Automotive Creations that will be in the Speedway Motors booth at SEMA '23!

Tech write-up and a video of a Lokar shifter install on an automatic transmission.