After attempting some badge engineering to enter the compact truck market, GM developed the S-15 to grab market share in a growing segment. In order to keep costs down, GM robbed a significant amount of chassis parts from current G-Body vehicles, making shoehorning the late model GM V8 of your choice very straightforward.

When adding a 5 or 6-speed transmission to your classic muscle car, we have the driveline conversion components you need. Whether it’s a shifter, transmission crossmember, or tunnel patch, we have the brands and components you need to upgrade and complete your driveline conversion. Most parts in this category assume you will be keeping the original engine. For engine and transmission combination swap parts, look to the Engine Swap Parts Category.