All-aluminum Ultra XP carburetors offer 30 new upgrades over tradi-tional 4150 HP carbure-tors including redesigned fuel bowls with a 30% increasein capacity, billet base plates and metering blocks, a race-only throttle lever, choice of progressive or 1:1 linkage, and dual bolt pattern mounting holes. Main bodies have integrated idle bypass valves and the air bleeds have been moved outward for a smoother transition of air flow. Mechanical secondary carburetors are calibrated for gasoline, and are available in shiny tumble-polished finish with black or red metering blocks and base plates, or anodized Hard Core GrayTM with black metering blocks and base plates all require dual feed fuel lines with 9.75" center distance.
- CFM:
- 850
- Fuel:
- Gasoline
- Number of Barrels:
- 4
- Carburetor Flange:
- Square bore
- Choke:
- None
- Fuel Inlet:
- Dual
- Secondary Type:
- Mechanical
- Material:
- Aluminum
- Finish:
- Hard Core Gray/Black anodized
- Primary Jet Size:
- 84
- Secondary Jet Size:
- 84
- Primary Power Valve (Hg):
- 4.5
- Secondary Power Valve (Hg):
- N/A
- Primary Air Bleed Sizes:
- N/A
- Secondary Air Bleed Sizes:
- N/A
- Primary Pump Nozzle Size:
- 0.032 in.
- Secondary Pump Nozzle Size:
- 0.032 in.
- Throttle Bore Size:
- 1.7500 in.
- Throttle Linkage Type:
- Universal
- Carburetor Height (in.):
- 3.250 in.
- Booster Type:
- Down Leg
- Bowl Inlet Size:
- -8AN O-Ring
- Universal:
- Yes
- Circuit:
- 2
- Quantity:
- Sold individually.
