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Carburettor Professional Race 850 CFM 4150 Model 4 Barrel E-85 Hard Core Gray Al
$1,881 per item

This listing closed and did not sell. The item has been relisted.

Closes: Tue 3 Aug, 07:45 am | Location icon Seller located in Australia ·24 views

Carburettor Professional Race 850 CFM 4150 Model 4 Barrel E-85 Hard Core Gray Al


Xtreme Performance - Holley Ultra XP carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs have fuel capacity that is 20% greater and 30 other new features! They're available in our all-new Hard Core Gray hard coat anodized finish with Black billet for improved corrosion protection. They're also available in natural tumble-polished aluminum with your choice of Black or Red metering blocks and base plate. The Aluminum Ultra XP comes in 600 650 750 850 and True 950-CFM. Holley Ultra XP carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction fully tunable billet metering blocks billet base plate adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors! Features: Aluminum Construction (saves 4.5 lbs - 38% weight savings)Hard Core Gray with black anodized billet aluminum metering block and booster insertsDesigned for use on Drag race circle track or any high horsepower enginesE85 specific calibrationContoured venturri inlet offers balanced airflow for increased horsepowerAir bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturiiMetering blocks feature improved durability true gasket sealing and fully adjustable (emulsion bleeds power valve channel restrictors & idle feed restrictors)Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship. Helps maintain good idle control when using radical camshafts.Dual 30cc accelerator pumps provide the perfe

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