aFe Silver Bullet Throttle Body Spacers TBS Jeep Wrangler (TJ YJ) 91-06 4.0L single-gated 0-Inch lift in the front

0-Inch lift in the front to provide better off-road performance while also eliminating the “nose-down rake” notorious on stock trucks

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aFe CONTROL Leveling Kits are made of 6061 billet aluminum and provide a 2

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ACT pressure plates have precision cover stampings to provide rigidity and consistency

aFe Silver Bullet Throttle Body Spacers TBS Jeep Wrangler (TJ YJ) 91-06 4.0L single-gated 0-Inch lift in the frontSilver 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