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Feature

Precision machined from 6061-T6 billet aluminum
Serrated/Helix Combination Design for optimum airflow into the combustion chamber
Eliminates annoying whistle found in helix only throttle body spacers
Includes gasket and hardware
This product is 50-state legal (CARB E.O Number D-550-11)

Description

Silver 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.