Holley Center Hung Nitrophyl Float Overflow Tanks & Catch Cans BBK Performance throttle bodies are

BBK Performance throttle bodies are designed as a direct replacement for the restrictive stock factory throttle body

2003-2014 Chevrolet Express 1500

1974-1974 GMC C35/C3500 Pickup

Contrasting Chevron Pattern Box Quilting

2 in Front / 4 in Rear

Holley Center Hung Nitrophyl Float Overflow Tanks & Catch Cans BBK Performance throttle bodies areFloats for most Holley 2 bbl and 4 bbl performance carburetors come in two basic designs: side hung and center hung. a "side hung float" is so called because the float arm is attached to the side of the float and it's hung or pivoted from the side of the float bowl. a "center hung float" has its float arm attached to the float center and its hung or pivoted from the center of the float bowl. Holley floats are currently made with three different