PQY Throttle Body Spacer Compatible with 91-06 Jeep Wrangler TJ YJ LJ Cherokee XJ 2.5L/4.0L Engine Gas MJ w/Gasket 1" Raise Manifold Carb Red

The throttle body spacer is designed to enhance off-idle torque from 800 rpm to approximately 3,000 rpm. 1″ thick to provide a smoother, faster and more dense air charge resulting in HP, TQ and MPG increases.. The throttle body spacer kit can only work for models with 4.0L/ 2.5L engines and only fit 4-bolt throttle Bodies.. Compatible with Jeep TJ Wrangler 1997-2006 4WD ; compatible with Jeep TJ Wrangler Unlimited 2004-2006 4WD ; compatible with Jeep YJ Wrangler 1987-1995 4WD ; compatible with Jeep XJ Cherokee 1984-2001 4WD/2WD ; compatible with Jeep MJ Comanche 1986-1993 4WD/2WD .. Package includes 1x Aluminum throttle body Spacer;2x Gaskets; 3x Spacers;7x Bolts with small washer.. The throttle body spacer is a easy bolt-on installation,and there is no installation instruction included .