1985-1991 Throttle Body Spacer Plate Power Tower - OEM Number(s) (12073939)
You're just an inch away from a 20 horsepower gain, along with dramatically increased torque and improved fuel economy! By extending your 1985-1991 Corvette's throttle body injection unit 1", the Corvette Power Tower Spacer Plate's unique Helix spiral flow design improves fuel atomization, which results in more complete combustion. Bolt-on unit installs between the throttle body and intake manifold in less than 30 minutes. Complete instructions and hardware included.
- 20 Horsepower Gain
- Increased Torque For Faster Acceleration
- Better Fuel Economy
- 30 Minute Installation
Also known under these part numbers: (For reference only)
- 057020
- 088197570209
- 12073939
- 354320
- 57020