The Aluminum 4-Bolt Throttle Body Spacer designed specifically for Jeep XJ, YJ, TJ, and WJ models with a 2.5L or 4.0L engine. This innovative spacer optimizes engine performance, ensuring enhanced combustion efficiency both off and on road. What's more, its durability is unmatched, making it an ideal solution for off-road enthusiasts who demand reliability. The robust construction and unique design provide a perfect fit, even on Jeep models released before 1997, ensuring optimal engine functionality. Whether you're cruising down the highway or exploring uncharted trails, this high-quality spacer will help your Jeep perform at its best.