Ultra XP Aluminum Fuel Bowl Kit. Fits models 4150, 4160 & 4500. (Will require a .250" longer fuel line). Tumble Polished finish
Features: use of o-ring fittings
Bowls use standard/traditional floats, float hangers, screws, accelerator diaphragms, etc.
Features "Clear Pyrex" sight windows on both sides of bowl
Fuel "trough" designed in floor of bowl to route fuel directly to jets & assists to keep jets covered
Internal baffling cast into bowl
20% more fuel capacity vs. traditional V-Bowls, eliminates fuel starvation & provides consistent air/fuel ratios
Fuel shelf to greatly minimize fuel aeration & promote more consistent metering
A threaded drain plug has been incorporated into the bowl
Bowls offer contoured fuel entry for smooth fuel flow directly to needle & seat assembly
Bowls can be plumbed from either side
Material added to key areas (needle & seat, fuel inlets, sight window) for added strength in demanding race environments
dual sight windows
Fuel bowl has 3/4 -16 fuel inlet threads (uses -8 Viton O-ring type fittings) Will not accept standard steel fittingsProduct Description: Carburetor Fuel Bowl, Center Hung, Aluminum, Polished, Secondary, Holley 4150/4160/4500 Carburetors Carburetor Fuel Bowl, Center Hung, Aluminum, Polished, Secondary, Holley 4150/4160/4500 CarburetorsPit Stop USA offers Holley Ultra XP Aluminum Fuel Bowl Kit - Tumble Polished 134-78S at low everyday prices. Be sure to check out all our products from Holley Performance Products including Holley Carburetor Bowls.