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aFe Power has released the Silver Bullet Throttle Body Spacer for the Chevy Corvette C8! The serrated/helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle response. The serrated/helix combination design also reduces the intake whistle that occurs with helix-only designs. The Silver Bullet throttle body spacer is precision machined from 6061-T6 billet aluminum for lightweight, high strength, and perfect fit and finish, using all factory mounting locations, making for a hassle-free installation.
Big Mouth LT Throttle Bodies from FAST are a perfect choice for a variety of GM LS applications. It features black-wrinkle powder coating on top of all the same features as FAST billet throttle bodies. The enlarged bore is a substantial upgrade over stock and allows increased airflow to support higher horsepower. A progressive throttle pulley enhances drivability, especially at low throttle, while a double return spring provides a solid feel and increased safety. A drive-by-cable throttle body (FAST Big Mouth/Big Mouth LT) is necessary for XFI and EZ-EFI (or other aftermarket EFI customers) running an engine that was originally throttle-by-wire. Also available with GM-style IAC and TPS.