TTA PERFORMANCE LLC

Specializing in 1980-1981 Turbocharged 4.9 (301) Pontiac Trans Ams and Firebird Formulas.​

Upgraded turbo- $1195.00 (+ shipping)

Ceramic coated exhaust housing available for an additional $150.00 and are subject to lead times. 

*A correct, complete and rebuildable core turbo is required at time of purchase. Additional charges apply for badly worn or damaged core turbos.


Contact us for more info or to place an order.

TTA Performance has teamed up with G-Pop Shop to offer rebuilt, upgraded turbos for the 1980-81 Turbo 4.9s.  Our goal is to have a rebuilt turbo on the shelf and ready to ship to you.  This will help keep the down time of your turbo car at a minimum.  Our upgraded turbo will build boost more efficiently with less heat giving you more performance.  Works well on a stock or modified Turbo 4.9s.
Includes the following:

  • Complete tear down and rebuild of the turbo and waste gate can using all new parts.
  • 360 degree thrust bearing
  • Upgraded billet compressor wheel (60 trim) offers lighter weight and a more efficient design.
  • Clipped turbine wheel for better exhaust flow.

Rebuilt Upgraded Turbo