Big Block Chevy "XS" Xtreme 4500 Rectangular Port Intake Manifold - Polished
This manifold shares all of the same great
performance features as our standard "XS" Xtreme Intake with the addition of a
4500 series dominator carburetor mounting flange. The ability to use this
manifold with the larger carburetor provision makes it the only true choice for
larger cubic inch applications.
Big Block Chevy "XS" Xtreme 4500 Rectangular Port Intake Manifold - Satin Finish
Dart Marine BBC Intake Manifold Rectangular Port 4150 Carb 9.80 Height
Dart Marine Intake Manifold BBC 4500 Flange Rectangular Port
Using airflow technology developed on NASCAR and NHRA engines, Dart single plane intake manifolds flow up to 10 percent more air than comparable intakes. These single-plane, air-gap style manifolds have a raised water crossover to insulate incoming air, optimized intake-runner cross sections to maintain high mixture velocity, and extended runner dividers to equalize port lengths. Dart also incorporated integral nitrous bosses on these manifolds, for those wanting even more power.
"XS" Xtreme Hard Anodized Finish Single Plane Big Block Chevy Rectangular Port Intake Manifold
This design is very efficient and produces excellent power in the RPM rangemost often used in performance boating. This intake is patterned after themost respected intake in the marine industry the HP500 carbureted intakemanifold. With quite possibly more victories than any single other intakeon the market, you know you're on the winning track. This intake featuresone of the fasted torque curves anywhere and all power boaters know torque iswhat makes the difference. If you're looking for the most for you moneyyou'll demand the Hardin "XS" Xtreme Intake.
At last you can buy an intake manifold specifically designed to meet theunique needs a performance boat demands from a company that knows whatperformance is. Hardin Marine has been building manifolds for over 40years. At last you the performance boater can take advantage of the stateof the art technology in each of these new manifolds. Here are just a fewof the state of the art features that keep Hardin Marine Intakes leading therace.
DualDistributor Hold DownsSometimes the standard single distributor hold down is not enough. so wehave provided dual distributor hold downs on all Hardin Marine intake manifolds.
FourCorner Water PortsAll Hardin Marine performance manifolds feature two extra water ports at therear of the manifold, a feature normally only found in manifolds costinghundreds more. Some enthusiasts have found that plumbing a line betweenthese two rear ports can reduce engine overheating. Many racers also findthese ports to be an advantageous special feature for plumbing specialadditional water lines.
Other Special Features
"XS" Xtreme Polished Single Plane Big Block Chevy Rectangular Port Intake Manifold
DualDistributor Hold Downs
Sometimes the standard single distributor hold down is not enough. so wehave provided dual distributor hold downs on all Hardin Marine intake manifolds.
FourCorner Water Ports
All Hardin Marine performance manifolds feature two extra water ports at therear of the manifold, a feature normally only found in manifolds costinghundreds more. Some enthusiasts have found that plumbing a line betweenthese two rear ports can reduce engine overheating. Many racers also findthese ports to be an advantageous special feature for plumbing specialadditional water lines.
"XS" Xtreme Satin Finish Single Plane Big Block Chevy Rectangular Port Intake Manifold
Big Block Chevy Rectangular Port Performer RPM
Performer RPM's are dual-plane, low-rise intakes with 180° firing order to produce incredible top-end horsepower while retaining good throttle response.Their larger plenums and runners match the free-flowing exhaust, high-lift cams and other modifications of a high output engine. They are intended for high-performance or competition engines that run up to 6500 rpm.
RPM Range: 1500 to 6500
Big Block Chevy Rectangular Port Polished RPM Air-Gap
The Original. Our proven, race-wining Air-Gap design in a dual-planemanifold. Designed for Chevrolet V-8s, the award- winning RPM Air-Gapincorporates the same race-winning technology that's used on our competitionintakes. The air-gap design features an open air space that separates therunners from the hot engine oil resulting in a cooler, denser charge for morepower. Includes rear water outlets, two distributor clamp locations and nitrousbosses.
Big Block Chevy Rectangular Port RPM Air-Gap
Victor Jr. 454-R (3000-7500 RPM)
Designed for competition 396-502 Big Block Chevy's #2902 fits
rectangular-port heads and #2904 fits large oval-port heads (1975-earlier) These
intakes are designed to optimize the flow characteristics of an 850 CFM standard
flange carburetor Features include extended runner dividers, smaller plenum
chambers and unique runner design for max power from 3000 to 7500 RPM These
manifolds are especially suited to 502 cid and smaller competition engines
Testing has proven these manifolds superior to our competitors Victor Jr.454-R
#2902 will fit Edelbrock Victor race heads #7760.