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The Z-51 performance spoiler may be used on any 1984-1990 Corvette as an upgrade to increase more air flow through the radiator for improved engine cooling
they are designed to pull the rear curtain forward just enough to take the slack out of the curtain shade which eliminates the squeak and rattles
The result is a high quality emblem that is a full 34" by 6
Reduction in Roll During Hard Turns
C4 Corvette Air Foil Throttle Body Booster 85-96 L98 LT1 LT4 FREE SHIPPING The Z-51 performance spoiler mayC4 Corvette Air Foil Throttle Body Booster 85 96 L98 LT1 LT4: Fits C4 Corvette 85 96 LT1 and LT4 engines. Will Not Fit the ZR1 LT5 engine. Improve throttle response. Boost intake flow by 30 CFM. Add up to 11 horsepower. With a 5 minute, no modification installation, the Throttle Body Flow Booster (Air Foil) reduces power robbing turbulence at the throttle body, allowing increase in horsepower and torque gains over stock setup. Add up to 11 horsepower.
