Throttle Body Spacer | Jeep Cherokee Xj/Comanche Mj/Wrangler Tj | Rough Country'S New Throttle Body Spacer Helps You Get The Most Out Of Your Jeep Yj, Tj Or Xj. Engineered With A Spiraling Helix Design, Our Durable, Aluminum Spacer Forces Incoming Air Into A High Velocity Vortex That Aids In A More Powerful And Efficient Fuel Combustion Process. This Process Offers Improved Torque Performance And Increased Fuel Economy. Best Of All, This Modification Is Easy To Install Using A 100% Bolt-On Installation Process That Can Be Attached In No Time! | 1.5 | 5.75 | 8.75 | 1.00Lbs | Rough Country | 1068