aFe 2020 Vette C8 Silver Bullet Aluminum Throttle Body Spacer Works w/ Factory Intake Only - Silver Marine Plumbing & Ventilation | Blowers & Heaters Designed with vertical polarization

Designed with vertical polarization

2006-2007 Subaru B9 Tribeca 3

2004 - 2004 Ford F-150 Heritage

6" SR-Series

aFe 2020 Vette C8 Silver Bullet Aluminum Throttle Body Spacer Works w/ Factory Intake Only - Silver Marine Plumbing & Ventilation | Blowers & Heaters Designed with vertical polarizationThe 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 intake whistle that occurs with helix only designs (US PAT 07055513). This Silver Bullet throttle body spacer is precision machined from 6061 T6 billet aluminum for lightweight, high strength,