Page 561 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

Q-SERIES XP-4412 2BBL
CARBURETORS CIRCLE TRACK CARBURETORS
Circle track carburetors provide exceptional Designed for circle track classes requiring a 2BBL car-
performance throughout the entire RPM buretor, the XP-4412 is a class-legal, custom carbure-
range. All new carburetors have die tor that is truly affordable to the hobby racer. A high
cast, high flow main bodies, billet flow aluminum main body centers the venturri over
metering blocks and throttle bodies, the throttle body, and the air horn, less choke tower,
die cast aluminum float bowls, and is centered over the venturri to maximize air flow and
adjustable secondary pump cam brackets. enhanced fuel distribution. Carburetors additionally
Available for gasoline, alcohol or E85. include roller bearing seals to smooth throttle response
Gasoline Alcohol E85 and add longevity.
Description Part No. Part No. Part No. Gasoline Alcohol E85
500 CFM 2BBL QFTQ-500-CT QFTQ-500-CTA QFTQ-500-E85CT Description Part No. Part No. Part No.
650 CFM 4BBL QFTQ-650-CT QFTQ-650-CTA – 500 CFM 2BBL QFTXP-4412 QFTXP-4412-A QFTXP-4412-E85
750 CFM 4BBL, 600 CFM 2BBL QFTXP-4412-S – –
Mech. Secondaries QFTQ-750-CT QFTQ-750-CTA QFTQ-750-E85CT
750 CFM 4BBL, Adj. QFTQ-750-PVCT – – PERFORMANCE
Vacuum Secondaries REBUILD KITS AND
850 CFM 4BBL, – QFTQ-850-CTA – GASKETS
Mech. Secondaries
Kits include highest quality non-stick
PROFESSIONAL SERIES gaskets, needle and seat assemblies, ac-
4BBL CARBURETORS celerator pump diaphragms, gaskets and
small parts to properly rebuild carburetor.
Carburetors for late models and Individual carburetor gaskets may also be purchased separately.
modifieds have Proform high flow Part No. Description
main bodies, CNC-machined, billet QFT3-200 Rebuild Kit, 4160 4BBL, 390-850 CFM, Vac. Secondary
metering blocks, die cast aluminum QFT3-201 Rebuild Kit, 2300 2BBL
Fuel Chute™ fuel bowls, and super QFT3-2000* Rebuild Kit, 4160 4BBL, 390-600 CFM, Vac. Secondary
duty throttle bodies with ribbing and thicker QFT3-202 Rebuild Kit, 4150 4BBL, Gas, Mech. Secondary
cross sectional areas. Applications for gasoline QFT3-204 Rebuild Kit, 4150 4BBL, Alcohol, Mech. Secondary
only. QFT8-25 Power Valve Gasket, Non-Stick, Each
Part No. Description QFT8-134 Fuel Bowl Gaskets, 2300/4150/4150 HP/4500/4500 HP, Pair
Metering Block Gaskets, 2-Circuit HP, QFT/Proform/Holley,
QFTP-750-CT 750 CFM Carburetor QFT8-139 Pair
QFTP-850-CT 850 CFM Carburetor * For 390, 450 and 600 CFM with standard metering block gaskets.
QFTP-950-CT 950 CFM Carburetor
E85 FUEL TEST TUBE QFT36-E85 FUEL PRESSURE REGULATOR
Check the percentage of ethanol content of E85 quickly and accu- QFT30-803
rately. Simply add water to the designated line of the test tube, shake Capable of satisfying the fuel supply needs of single four-
it up, and let it set for a few minutes. A line of separation will then barrel applications with up to 900 horsepower. Regulator
show what the ethanol percentage truly is. Complete with protective features ball and stem activation and incorporates a high
sleeve and instructions. quality, GFLT diaphragm assembly for steady, consistent fuel flow.

LIGHTWEIGHT
FLEXPLATES
The original spoked, SFI 29.1 certified flexplate.
Manufactured from premium HSLA 60 grade steel,
significantly improve engine acceleration. Zinc plated.
Part No. Application Model Weight
QTMRM-901 SB Chevy, Lightweight 2.8 lbs.
SB CHEVY LIGHTWEIGHT 1974-85, 153T
SB Chevy,
STEEL BELLHOUSINGS QTMRM-920 1974-85, 153T Ultralight 2.1 lbs.
Quick Time bellhousings are light, rigid and work hardened to over 80,000 SB Chevy,
PSI. Bellhousings maintain their strength and accuracy, prevent horsepower QTMRM-925 1986-96, 153T Lightweight 2.8 lbs.
loss and excessive wear. Compatible with Saginaw, Muncie, Richmond, Bert or
Brinn transmissions. Inspection cover and related hardware are included. BALANCE PLATES
Part No. Application Clutch Flywheel Weight
QTMRM-6010 Traditional 10.5" 153T 18 lbs. Achieve proper external engine balance in certain small block
QTMRM-6020 † OEM Rep. 10.5" 153T 18 lbs. Chevys or Fords. Made from quality H-60 steel.
† OEM replacement for applications with stock shifter fork and throwout Part No. Description
bearing. Pivot ball included. QTMRM-525 SB Chevy 400, pre-1986, Use With 350 Flexplate
For External Balanced 383 Or 400 Engines
SB Chevy, 1986-96, Recommended For Use With RM-925
GM CLUTCH FORK PIVOT BALL QTMRM-530 Or RM-930 Or Use To Replace OEM Weighted Flexplate (Crate Engines)
QTMRM-6026 SB Ford 302-351W,
Made from high strength steel, stock GM replacement pivot ball includes QTMRM-536 Use With Externally Balanced 50 Oz. Applications
13/16" threads.

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