【Feature】This kit installs between your injector pod and the TBI throttle body, raising the injector pod 1/4" and allowing more air and fuel flow.
【Installation】No drilling or cutting on your TBI required to install the 1/4" stack.
【Material】Made from 6061 aluminum, machined by CNC technology, complemented by anodising.
【Fitment】Compatible with GM 1986-1995 V6, V8, 2.8L, 4.3L, 5.0L, 5.7L twin injector TBI motors, such as: Compatible with Chevrolet GMC full size Silverado and Sierra trucks and etc.
【Note】Will not compatible with GM model 220 or 200 twin injector TBI setup. No drilling or cutting on your TBI required to install the 1/4" stack.