Holley Ultra HP Aluminium Fuel Bowl (HO134-78S)

HO134-78S - ULTRA HP ALUMINIUM FUEL BOWL

Tumble Polished Suit 4150, 4160 & 4500 Series Carburettors

Part Number: HO134-78S

Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061-T6 billet aluminium for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-847 fuel pressure regulator features (1) -10 AN O-ring inlet, (1) -10 AN O-ring outlet, (1) -8 AN O-ring return.
FEATURES :
Increased capacity
Will require a .250” longer fuel line
Material added to key areas (needle & seat, fuel inlets, sight window) for added strength in demanding race environments
Bowls can be plumbed from either side
Bowls offer contoured fuel entry for smooth fuel flow directly to needle & seat assembly
A threaded drain plug has been incorporated into the bowl
Fuel shelf to greatly minimize fuel aeration & promote more consistent metering
20% more fuel capacity vs. traditional V-Bowls, eliminates fuel starvation & provides consistent air/fuel ratios
Internal baffling cast into bowl
Fuel “trough” designed in floor of bowl to route fuel directly to jets & assists to keep jets covered
Features “Clear Pyrex” sight windows on both sides of bowl
Bowls use standard/traditional floats, float hangers, screws, accelerator diaphragms, etc.
use of o-ring fittings
drain plug
dual sight windows
baffling
Fuel bowl has 1/4 -16 fuel inlet threads (uses -8 Viton O-ring type fittings) Will not accept standard steel fittings