Jason Line Wins Pro Stock at NHRA Fall-Nationals with Holley Gen-3 Ultra Dominator Carburetors

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jason line prostock

Bowling Green, KY – Jason Line and the team at KB racing in Mooresville, North Carolina, started testing Holley’s new Gen-3 Ultra Dominator carburetor around mid-season, and have since racked up some impressive results. In September, Line and his Summit Racing Pro Stock Camaro was runner-up at the Carlyle Tools NHRA Carolina Nationals, won the AAA Texas NHRA FallNationals, and held the Low ET of Eliminations at the AAA Insurance NHRA Midwest Nationals. “We started testing with the Holley Gen 3 mid-season and it showed great potential right out of the box,” says Line. “It has proven to be a great design and casting. It’s performing remarkably well for us!”

Gen III Dominator
Line’s Summit Racing Camaro uses a 500 cubic inch engine that makes an estimated 1400+ horsepower. The Holley Gen-3 Ultra Dominator carburetors are designed specifically for all out racing applications like Line’s Pro Stock car, and utilize a new, patent pending main-body that’s 5/16-inch taller than the previous generation carburetor. The added height allows for larger radius air entries that deliver smoother airflow into new fully machined, big bore venturii.

Gen III Dominator

A new all aluminum body saves 3.8 lbs. over original models, and the fuel bowls have 20 percent more capacity. Redesigned billet aluminum metering blocks are fully adjustable and feature improved gasket sealing. The Gen-3 Ultra Dominator carburetors feature modified skirt boosters on 1350 CFM & 1475 CFM models to maintain a strong fuel signal, and also come ready for factory-style TPS mounting for use with data acquisition systems.

“The Holley team put a lot of work into the Gen 3.  We’re glad to see them in action in the tough world of NHRA Pro Stock racing.  With top racers like Jason Line being successful and laying down blistering 6.590 ETs at 211.2 MPH, we’re confident they will help racers at all levels,” says Bill Tichenor, Holley’s Director of Marketing, “Our engineers listened to what racers needed to be competitive, and we responded with a powerful carburetor that’s also easily adjusted at the track.” 

holleyThe original Dominator took carburetion to another level in 1969 when it was developed for NASCAR racing. It has been refined over the years, and is now receiving its biggest change ever.   The Gen 3 Ultra Dominator featuring an all new main body, all new calibrations, high capacity fuel bowls, and new larger sizes.  They come in a variety of new sizes from 950 CFM, 1350, 1425, all the way up to 1475 CFM.  They are also available in the standard 1050, 1150 & 1250 CFMs racers have come to expect. The main body is 5/16” taller than the previous generation which allows for larger radius air entries that have been optimized on Computational Fluid Dynamics (CFD) software.  Each Gen 3 Ultra Dominator received a new calibration optimized for today’s larger engines and newest fuels and were also dyno & track tested to ensure performance.


TPS sensor for data logging

The venturii throat to throttle bore section is fully machined for predictable and repeatable performance and a new idle-bypass valve was incorporated to maintain proper throttle plate to transfer slot relationship on engines with radical camshafts.  Fuel enters the main body through a set of boosters with billet 12-hole inserts for superior atomization and crisp throttle response.  A new modified-skirt booster is used on the larger CFM models to maintain a strong fuel signal.  To keep up with today's electronics, a throttle position sensor mount is featured on every main body and a sensor is available separately.  Integrated air scoop mounting bosses are also new to the Gen 3 main body.
The linkage is all external and tuning is easier than ever with threaded secondary links to adjust from 1:1 to soft progressive.  Curb idle screws are knurled for quick adjustments without a screwdriver.  Holley’s popular HP fuel bowls are carried over to this line with -8 O-ring inlets, fuel level sight windows, 20% higher fuel capacity, drain plugs, internal baffling, and more. The Gen 3 Ultra Dominators are available in a tumble polished finish with Red™  or Black™  metering blocks or hard anodized Hard Core Gray™ main body with Black™ metering blocks.

For more information contact:

Holley Performance Products
1801 Russellville Road
Bowling Green, KY 42101
(270) 782-2900
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