aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo 1975-gmc-c15-high-sierra-esi3876917 spring steel drive plate to

spring steel drive plate to provide support

Utilizing our proven monotube design

50mm Trimetal Oversized Main Bearing Set

Using The Latest Laser Scanning Technology Guarantees Exact Fit

Utilizes wraparound spring windows

aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo 1975-gmc-c15-high-sierra-esi3876917 spring steel drive plate toSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.