Throttle Body Spacer Adapter 7.4L to 5.7L Chevy GMC 87-95

2" to 1.75" Smooth Bore Design Enables you to use a 7.4l Throttle Body on a 5.7l All Hardware Included Improves Gas Mileage  Quick and Easy Installation Fits 1988-1995 Chevy/GMC with 7.4l Treat your engine right with a high quality Throttle Body Spacer by Khaos Motorsports. Each one of our spacers have been engineered, tested, and CNC machined right here in Michigan! A throttle body spacer will improve the airflow going into your engine, which in turn improves gas mileage while adding power! Fits 1986-2005 Chevrolet and GMC Vehicles with 7.4L 454 Big Block.