K&N FIPK (fuel injection performance kit) for Chevy blazers and s-10 trucks, 94 up trucks with 4.3 CPI vortex v-6 engines. these really work in making more power and giving better fuel economy. heres a link to what it is:

http://www.summitracing.com/parts/KNN-57-3009


Looking for $100, i have the install instructions and even the orignal box it came in. located in middletown jon 860-614-1491