Holley Nitrophyl Side Hung Float H777C04M Performer RPM Dual-Quad intake manifolds

Performer RPM Dual-Quad intake manifolds are designed to fit 1958-1965 Chevrolet 348/409 W big-block engines

2003-2003 Sterling Truck SC7000 Cargo

1985-1998 GMC C2500

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Holley Nitrophyl Side Hung Float H777C04M Performer RPM Dual-Quad intake manifoldsFloats 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