The 4th Generation Firebird took a gigantic leap forward in the power department as it could be optioned with the new LT1 small-block initially and then the now-legendary LS1 from 1998 on. Although this was ultimately the last Firebird we got as Pontiac discontinued the line and then closed its doors for good in 2009, the Firebird went out with a bang.

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.