*We are moving the week of 6/1-6/7/2021. We apologize for any delays.*
Our manual boost controller delays the pneumatic actuation of the waste gate until maximum boost pressure is reached. This allows the turbo to “spool up” at a quicker rate.
Improve the performance and breathing of your Turbo 4.9 Trans Am or Formula with our 2.5" mandrel bent, turbo down pipe.
Water injection has been around since WWII. It is a great way to suppress detonation in the internal combustion engine.
The key to improving the performance of the Turbo 4.9 is to have as cool of air coming in as possible. Since the turbo cars came equipped with a hood scoop, why not make it functional?
Continue to improve the performance of your Turbo 4.9's exhaust with our after cat, 2.5", mandrel bent "Y" pipe.
TTA Performance offers these modified Fel Pro head gaskets.
This nitrous system is used as an anti-turbo lag device.
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.
If you are looking to convert your Turbo 4.9 or non-turbo 301 to a manual transmission, we now offer a billet steel flywheel. You no longer have to source a used 1979 301 4-speed flywheel for your conversion.
Shorty header system for the Turbo 4.9 is now available. This is the system that was tested on the dyno and provided a 25 lb/ft increase in torque over the stock manifold system.
The correct thermostat for your 4.9 Turbo.
EGR block off plate machined from 3/8" thick aluminum.
New aluminum water pump with correct cast iron impeller.
Send us your tachometer to have the clock converted to a vacuum/boost gauge.
Comp Cams Roller Rocker arm conversion kit (1.65 or 1.5 ratio) .
Custom ground cam and lifter set
FiTech or Holley EFI conversion kits.
Custom designed copper head gasket to install conventional Pontiac cylinder heads on a 301 block.