Do throttle body spacers work on Jeep Wrangler TJs?

There are some products out there that claim to be able to improve on the already significant engineering that has gone into your motor. The 4.0 engine in the Jeep Wrangler TJ is well known to be a hard engine to get power out of in terms of "bolt-on" modifications. You don't stand to gain any

Aluminum Throttle Body Spacer For 91-06 Jeep Wrangler TJ YJ

Features:, Unique Eddy Design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber

Throttle Body Spacer For Jeep Grand Cherokee 91-01 Wrangler TJ 97-06 4.0L

1997 Jeep TJ Throttle Body Upgrade - 4.0L Better Breathing

AFE Power Throttle Body Spacer - Jeep Rubicon 2003-2006

Opinions on aftermarket throttle body?

Poweraid Throttle Body Spacer on a Jeep TJ

Wheel Spacer Kit, Black, Alluminum, Jeep Wrangler TJ, YJ, Cherokee

First TJ, couple questions

Best engine upgrades for the cost?

Do throttle body spacers work on Jeep Wrangler TJs?

Silver Bullet Throttle Body Spacer

Jet Performance Products Jeep Wrangler Powr-Flo Throttle Body

Opinions on aftermarket throttle body?

Bolt On Horsepower!The PowerAid Throttle Body Spacers from AIRAID Premium Filter Company are designed to greatly improve the low-end torque and

AIRAID 310-510 PowerAid Throttle Body Spacer for 91-06 Jeep Wrangler YJ, TJ, Unlimited, Cherokee XJ, Comanche MJ & Grand Cherokee ZJ, WJ with 4.0L I6