aFe Silver Bullet Throttle Body Spacers TBS Jeep Wrangler (TJ YJ) 91-06 4.0L single-gated please use our new search

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Stiffen up your chassis and give your engine bay a unique look with our aFe Control fabricated strut braces

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and a overall improvement in drivetrain feel

aFe Silver Bullet Throttle Body Spacers TBS Jeep Wrangler (TJ YJ) 91-06 4.0L single-gated please use our new searchSilver 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. This