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HOL- 134-78S Holley 4150 4500 Ultra HP Carburetor Polished Fuel Bowl Glass Sight

HOL- 134-78S Holley 4150 4500 Ultra HP Carburetor Polished Fuel Bowl Glass Sight

Your Price: $66.15
In Stock.
Free Shipping.
Part Number:HOL13478S

Holley 4150 4500 Ultra HP Carburetor Polished Fuel Bowl Glass Sight Specs:

  • Fits Holley 4150, 4160, & 4500 Carburetors
  • Will require a .250” longer fuel line 
  • 20% more fuel capacity vs. traditional V-Bowls, eliminates fuel starvation & provides consistent air/fuel ratios
  • Material added to key areas (needle & seat, fuel inlets, sight window) for added strength in demanding race environment
  • Fuel shelf to greatly minimize fuel aeration & promote more consistent metering
  • Fuel “trough” designed in floor of bowl to route fuel directly to jets & assists to keep jets covered
  • A threaded drain plug has been incorporated into the bowl
  • Features “Clear Pyrex” sight windows on both sides of bowl
  • Made from aluminum with a shiny finish
  • Fuel bowl has 1/4 -16 fuel inlet threads (uses -8 Viton O-ring type fittings) Will not accept standard steel fittings
  • Our inlet fittings HOL- 26-142, PRE-77086, PRE-77088, & PRE-74871 can be used with this fuel bowl
  • Our plugs HOL- 26-144 & PRE-60814 can be used with this fuel bowl
  • Bowls can be plumbed from either side
  • Bowls offer contoured fuel entry for smooth fuel flow directly to needle & seat assembly
  • Made for standard center hung floats (includes shorter float hanger screws)
  • Can be used as a primary or secondary fuel bowl (must be a double pumper secondary)
  • This sale does NOT included gaskets, float brackets, floats, mounting hardware, check valve, accelerator pump, pump spring, or needle & seats (just fuel bowl itself, drain plug, and float hanger screws)

We will ship as many of these or any other item you want for FREE so mix and match what you need. Also If you need braided hose buy that too all the fittings and hose you want shipped with FREE Shipping!!!!



Shipping for this item is FREE in the united states except Hawaii & Alaska. We are a performance shop and are a Fitting & Hose Warehouse Distributor. WE HAVE OR CAN GET ANYTHING EVEN IF IT IS NOT LISTED JUST SEND US A MESSAGE SO WE CAN START A NEW LISTING.

Need Help? Call 804-427-8962




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