TH350, GM 8.5 Inch 10-Bolt Parts

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

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

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

In this episode of our '68 C10 project, we hit a couple big milestones. The engine goes in and we hit our first car show. It may be just a rolling chassis, but we're mighty proud of how far we've come.