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

Product Reviews for HO134-78S - HOLLEY




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