Holley 134-78S Ultra XP Aluminum Fuel Bowl Kit - Tumble Polished

Ultra XP Aluminum Fuel Bowl Kit. Fits models 4150, 4160 & 4500. (Will require a .250" longer fuel line). Tumble Polished finish

Part Number: 134-78S

Ultra XP Aluminum Fuel Bowl Kit. Fits models 4150, 4160 & 4500. (Will require a .250" longer fuel line). Tumble Polished finish

Features and Benefits

• 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
• drain plug
• dual sight windows
• baffling
• Increased capacity
• Fuel bowl has 3/4 -16 fuel inlet threads (uses -8 Viton O-ring type fittings) Will not accept standard steel fittings

Must re-use existing hardware during installation.