− Decrease quantity for Throttle Body Spacer, Vortice, Nylon Composite, Black, 1.0 in. Thick, 3 Bolt, Chevy, GMC, 4.8, 5.3, 6.0L Quantity + Increase quantity for Throttle Body Spacer, Vortice, Nylon Composite, Black, 1.0 in. Thick, 3 Bolt, Chevy, GMC, 4.8, 5.3, 6.0L Add to cart