aFe Silver Bullet Throttle Body Spacers TBS Jeep Wrangler (TJ YJ) 91-06 4.0L

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.
Silver Bullet Throttle Body Spacer Kit Jeep Wrangler (YJ/TJ) 91-06 L6-4.0L

Fitment:
Jeep Cherokee Base 1991 to 1993
Jeep Cherokee Briarwood 1991 to 1992
Jeep Cherokee Classic 1996
Jeep Cherokee Classic 1998 to 2001
Jeep Cherokee Country 1993 to 1997
Jeep Cherokee Laredo 1991 to 1992
Jeep Cherokee Limited 1991 to 1992
Jeep Cherokee Limited 1998 to 2001
Jeep Cherokee SE 1994 to 2001
Jeep Cherokee Sport 1991 to 2001
Jeep Grand Cherokee Laredo 1999 to 2004
Jeep Grand Cherokee Limited 1999 to 2004
Jeep Grand Cherokee Special Edition 2004
Jeep Grand Cherokee Sport 2002
Jeep Wrangler 65th Anniversary Edition 2006
Jeep Wrangler Base 1991 to 1993
Jeep Wrangler Islander 1991 to 1992
Jeep Wrangler Renegade 1991 to 1994
Jeep Wrangler Rubicon 2003 to 2006
Jeep Wrangler Sahara 1991 to 1995
Jeep Wrangler Sahara 1997 to 2004
Jeep Wrangler SE 1994 to 1995
Jeep Wrangler SE 2005 to 2006
Jeep Wrangler Sport 1997 to 2006
Jeep Wrangler Unlimited 2004 to 2006
Jeep Wrangler Unlimited Rubicon 2005 to 2006
Jeep Wrangler X 2002 to 2006