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Add some muscle! Offenhauser C Series intake manifolds fill the gap between stock and competition setups for 4 and 6-cylinder cars and pickups. They improve torque in the mid and upper ranges, with power bands that span from 2,500 rpm to more than 7,000 rpm. Smaller applications use Holley 5200 or Weber 32/36 Series 2-barrel carbs. Holley 2300s can be used for competition with an adapter. Six-cylinder, 4-barrel versions can use square bore Holley or Carter carbs. Emission-control provisions can be blocked off for competition.
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$594.99
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$628.99
Offenhauser Dual Port intake manifolds feature completely separate runner systems for the primaries and secondaries for more power across the rpm range. At low-load, the primaries feed the air/fuel charge through the smaller bottom passages at near sonic speed, improving power and efficiency. When the secondaries open, their charge goes through the bigger, cooler upper passages. Then, in turn, it is rammed into the cylinders when it encounters the high-velocity mix from the primaries. The results are better fuel economy and a 15-30 percent power increase across the entire rpm range. These manifolds are available in a variety of styles and options for many year/make and engine applications.
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$600.99
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$841.99
With Offenhauser single-quad intake manifolds, you can replace an old-style induction systems with an updated manifold. These units blend some of the nostalgic look of the older systems with the improved power, responsiveness, and ease of tuning of a modern 4-barrel. Their design equalizes distribution to all cylinders for better efficiency throughout the rpm range. The single-quad intakes are offered in multiple configurations to fit different applications.
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$572.99
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$682.99
Offenhauser 360 degree dual-port single-quad intake manifolds feature completely separate runner systems for the primaries and secondaries. At low-load, the primaries feed the fuel-air charge through the smaller bottom passages at near sonic speed, improving power and efficiency. When the secondaries open, their charge goes through the bigger, cooler upper passages. Then, in turn, it is rammed into the cylinders when it encounters the high-velocity mix from the primaries. The result is better fuel economy, lower emissions, and a substantial power increase across the whole rpm range.
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$562.99
Offenhauser dual carburetor intake manifolds mount two carburetors on branched intakes, with a look that's straight from the early days of hot rodding. They're available for a number of applications to fit your speed demon needs.
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$546.99
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$750.99
Offenhauser 4-Carburetor Pacesetter intake manifolds allow you to mount four 2-barrel carbs on 283, 327, and 348 Chevrolet V8s, for a nostalgic look combined with good power and responsiveness. They're available for carburetors with 3 or 4-bolt mounting patterns. There's a version with larger ports that will accommodate four larger 2-barrel carbs for use on 283s, 327s, and 350s. They're not for use on 409s.
Not Yet Reviewed
$629.99
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$663.99
Offenhauser Triple Manifolds are ideal for situations where you want to get a nostalgic 3-carb look, but still have a custom appearance. They're designed to equalize fuel distribution to all cylinders, which improves fuel economy, and produces better power with smoother response across the rpm range. These manifolds are precision-machined from cast aluminum, some manifolds mount aftermarket 2-barrel carburetors and some are made for original equipment single-barrel carburetors. Offenhauser Triple Manifold intake manifolds are available for a variety of inline sixes and flathead V8s.
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$557.99
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$614.99
Offenhauser's dual quad high-rise manifolds take the best of the company's 360 degree Equa-Flow technology and double it. Each 4-barrel sits on top of its own split plenum, which feeds straight, tapered runners that dive directly from the plenum to the intake ports. This results in extremely even, efficient cylinder filling, which eliminates flat spots and produces hefty power bands, starting as low as 1,800 rpm and running as high as 8,800 rpm. Edelbrock Performer series and Carter AFB carburetors are recommended. Some applications cannot mount Holleys in any manner.
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$703.99
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$774.99
Offenhauser 360 Degree Equa-Flow intake manifolds are a unique model often used as replacements in classic cars from the 1950s and '60s. As noted, these aluminum dual-quad units can be drilled to accommodate 3- or 4-bolt carburetors.
Not Yet Reviewed
$651.99
Offenhauser 360 Degree Equa-Flow Dual-Quad Low-Rise intake manifolds make good use of Offy's 360 degree technology to feed all cylinders evenly and make more power. This results from their single-plane configuration, with its unique split-plenum chamber and tuned intake runners. That combination delivers the fuel-air charge evenly to all cylinders for more power without flat spots. Edebrock Performer series and Carter AFB carburetors are recommended. Some applications cannot mount Holleys in any manner, or clear HEI.
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$587.99
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$712.99
Offenhauser's 360 degree Equa-Flow single-quad low-rise intake manifolds incorporate special technology that they pioneered. The single plane, 360 degree design, with its special split plenum and carefully shaped runners, supplies a dense fuel-air mix to all cylinders all the time. This wipes out flat spots and significantly boosts overall output. Power bands start as low as 1,400 rpm and range as high as 8,800 rpm, depending on the application. Order the model recommended for your vehicle, engine, and carburetor setup.
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$626.99
Offenhauser dual-quad low-rise intake manifolds are specialized aluminum intakes designed for late-'50s Dodge V8s--315 and 325 c.i.d. They mount a pair of square bore quads for better power and throttle response. In addition, their low height can be beneficial where hood clearance is a problem.
Not Yet Reviewed
$587.99
Offenhauser 360 degree Equa-Flow Single-Quad high-rise intake manifolds feature a design for full-capacity operation. This combination of unrestricted fuel-air flow and a divided plenum means no flat spots throughout the entire rpm range. What does all this mean? The equal fuel flow to each cylinder increases horsepower and torque, while evening-out individual cylinder temperatures. Power bands start as low as 1,800 rpm with a small carb and climb all the way to 8,800 rpm with a big one.
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$642.99
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