If gasket B is used on any Holley carb that does not use the center accelerator pump tube, this allows fuel to be drawn into the power valve chamber, which is exposed to manifold vacuum.

Any attempt to use this gasket with the metering block on the right will draw fuel from the accelerator pump system and supply a full-rich mixture to the engine. Instead, use gasket 108-29.

Holley’s new Sniper EFI master kit for C2 and C3 Corvettes is a specific fuel system economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the ...

The beauty of this Holley kit is the in-tank Walbro 255 liter per hour (lph) fuel pump. It's quiet, it's reliable, and it can support up to 550 hp at 60 psi (13.5 volts / 10.4 amp draw).