AIRAID Throttle Body Spacer Jeep Grand Cherokee 1999-2002 4.7L V8

AIRAID Throttle Body Spacer (310-515) The AIRAID Throttle Body Spacer is engineered to improve your vehicle's off-idle torque, specifically enhancing performance from 800 RPM up to around 3,000 RPM. Thanks to its innovative patented Helix Bore design, this spacer creates a swirling effect in the incoming air charge as it flows through, which not only increases the velocity of the air but also improves the atomization of the air/fuel mixture entering the combustion chamber. The result? A noticea