Holley 0-80903HB 1050CFM Factory Refurbished GEN III Ultra Dominator 4Bbl Race Carb FR-80903HB

This is an official Holley Performance Factory Refurbished Carburetor.

Features:

• All aluminum construction saves 3.8lbs. over original models (28% weight savings)
• Hard Core Gray with black anodized billet aluminum metering block and booster inserts
• Designed for use on Drag race, Pro Street, or any high horsepower engines
• Calibrations optimized for today's larger race engines and new fuels
• Fully machined from venturii throat to throttle bore for predictable & repeatable performance
• Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship
• 12 hole billet booster inserts for superior atomization and crisp throttle response
• Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
• Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
• Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
• Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
• Built in drain plug in front center of bowl provides easy access to empty contents of bowl
• -8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
• Factory ready TPS mounting points for use with data acquisition systems (Holley TPS P/N 534-214 available)
• Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
• Contoured hex head squirter screws for streamlined airflow
• Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

1 x 4 Gas 3-Circuit Metering-4500