The 4150 number refers to the overall configuration as a squarebore Holley with metering blocks ... we asked Murphy as he quickly disassembled our lump of missing parts. "Well, this is pretty ...

The original Holley Model 4150 carburetors were introduced over ... Up to now, Holleys have basically disassembled "horizontally." In other words, you'd loosen the float bowl screws, then ...

Holley came out with the first modular carburetor, the 4150, back in '57. Today, Holley still makes the 4150-heck it even makes hopped-up versions for everything from drag racing to rock crawling.

The original Holley Model 4150 carburetors were introduced over ... Up to now, Holleys have basically disassembled "horizontally." In other words, you'd loosen the float bowl screws, then ...