500 CFM ULTRA XP 2BBL,E85,2300,ALUM,BLACK
500 CFM ULTRA XP 2BBL,E85,2300,ALUM,BLACK
SKU:HOL 0-4412EX
BRAND NEW HOLLEY 500 CFM ULTRA XP 2BBL CARBURETOR, HARD CORE GRAY, COMPATIBLE WITH E85 FUEL
HOLLEY INTRODUCES THE ALL NEW ULTRA XP 2 BARREL. DELIVERING THE PROVEN RESULTS OF THE ULTRA XP 4BBL BUT NOW IN A 500 CFM 2BBL & E85 FUEL COMPATIBLE. ALL ALUMINUM SO IT PROVIDES NEARLY 50% WEIGHT SAVINGS. NO CHOKE TOWER & AN ALL NEW AIR ENTRY AREA FOR SMOOTHER AIR FLOW, YET IT RETAINS THE CRITICAL VENTURI & THROTTLE BORE DIMENSIONS FOR RULE RACING. LARGE CAPACITY XP FUEL BOWL, WEDGED FLOAT, DEDICATED RACE-ONLY THROTTLE LEVER, BILLET METERING BLOCK & BASE PLATE & MORE.
FEATURES:
- E85 FUEL COMPATIBLE
- ALL ALUMINUM CONSTRUCTION - FOR NEARLY 50% WEIGHT SAVINGS OVER ZINC VERSION
- BLACK BILLET ALUMINUM METERING BLOCK & BASE PLATE
- NO CHOKE TOWER FOR UNOBSTRUCTED AIRFLOW
- AIR BLEEDS MOVED OUTWARD TO ALLOW A SMOOTHER TRANSITION OF AIRFLOW
- AIR CLEANER FLANGE CENTERED OVER VENTURI FOR IMPROVED AIRFLOW & PERFORMANCE. 5/16-18 BENT AIR CLEANER STUD INCLUDED
- DOWN-LEG BOOSTERS FOR IMPROVED FUEL SIGNAL
- CONTOURED HEX HEAD SQUIRTER SCREW FOR STREAMLINED AIRFLOW
- INTERNAL PUMP PASSAGE ON METERING BLOCK EQUIPPED WITH TUNABLE BLEED OFF
- SAME 1-3/8" VENTURI & 1-11/16" THROTTLE BORE SIZE & THROTTLE PLATE/THROTTLE SHAFT SIZE OF ORIGINAL 0-4412
- FUEL BOWL PROVIDES 20% MORE FUEL CAPACITY WHILE CONTROLLING SLOSH WITH INTERNAL BAFFLING
- CLEAR SIGHT WINDOWS ON BOTH SIDES OF BOWL FOR EASY & SAFE FUEL LEVEL ADJUSTMENTS
- FUEL TROUGH DESIGNED INTO FLOOR OF BOWL TO ROUTE FUEL FLOW DIRECTLY TO THE JETS & ASSISTS IN KEEPING JETS COVERED BY FUEL
- BUILT IN DRAIN PLUG PROVIDES EASY ACCESS TO EMPTY CONTENTS OF BOWL
- THROTTLE SHAFT RIDES IN OIL IMPREGNATED SINTERED BRONZE BUSHINGS FOR SMOOTH THROTTLE ACTUATION
- THROTTLE SHAFT CAPPED TO PREVENT ENTRY OF DEBRIS & CONTAMINATES
- 50CC PUMP WITH METAL LEVER. ANTI-SIPHON VALVE IN MAIN BODY TO REDUCE PUMP PULL OVER
- -8 (O-RING) INLET THREADS OFFER A LARGE VARIETY OF PLUMBING OPTIONS (COME WITH AN EXTENDED -8
- O-RING TO -8AN MALE ADAPTER & -8 PLUG). CAN BE PLUMBED FROM EITHER SIDE
- DEDICATED RACE-ONLY THROTTLE LEVER WITH ALL UNNECESSARY STREET ATTACHMENT POINTS & TANGS REMOVED
- KNURLED (HAND ADJUSTABLE) CURB IDLE SCREW ALLOWS FOR EASY IDLE ADJUSTMENT WITHOUT THE USE OF TOOLS
- SET SCREW FOR WIDE OPEN THROTTLE STOP ADJUSTMENT
- WEDGE FLOAT PROVIDES FUEL CONTROL WHILE CORNERING
- 100% WET-FLOW TESTED BY HOLLEY
SPECS:
- BARRELS: 2
- BILLET COLOR: HARD CORE GRAY WITH BLACK
- BOOSTER: DOWN LEG
- BRAND: HOLLEY
- CFM: 500
- CHOKE: NONE
- CONDITION: NEW
- EMISSION CODE: 3
- FINISH: HARD CORE GRAY
- FUEL: E-8
- FUEL INLET: SINGLE
- MARINE USE: NO
- MATERIAL: ALUMINUM
- MODEL: 2300
- PRIMARY MAIN JET: 88
- PRIMARY POWER VALVE: 3.5
- PRIMARY PUMP NOZZLE SIZE: 35
- PRODUCT TYPE: CARBURETOR
- SECONDARIES: NONE
- SUPERCHARGED APPLICATION: NO
- THROTTLE BORE: 1.688"
- VENTURII SIZE: 1.376"
YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS CARBURETOR HERE, AND THE CARBURETOR NUMERICAL LISTING HERE.