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1985-1991 Corvette Throttle Body Spacer Plate Power Tower

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Part #: 606-159
GM Part #: 12073939
Availability: Currently Unavailable - Most out of stock items are available to ship within 7-10 days.
Fits Years:
  • 1985-1991
  • Description

1985-1991 Throttle Body Spacer Plate Power Tower

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
  • 12073939
  • 57020