Home >> Intakes >> Prof. Products Power Plus Manifolds Description

Power+Plus is the newest line of performance intake manifolds available. As a result, we have been able to incorporate many new features in our manifolds not found in competitive models. Some of today’s most popular manifolds were designed 30 years ago, and the makers have never bothered to update the tooling to include many of the new features desired by performance enthusiasts. We engineered those features into our manifolds.

Dual Distributor Holddowns Sometimes the standard single distributor holddown is difficult to access. So we have provided dual distributor holddowns on most Power+Plus Chevy intake manifolds, which gives you an optional position. And on our 52030 and 52031 Racing Manifold, you can use two holddowns for extra protection against distributor rotation. Carburetor Adapter Plate Many Chevy manifolds accept the stock Rochester Quadra-Jet spread-bore carb. But if you want to use one of the popular Holley or Edelbrock square bore carbs, you have to spend more bucks for a carb adapter plate. Power+Plus manifolds with spread-bore patterns include steel adapter plates and gaskets to accept square bore carbs. Included with manifold. Four Corner Water Ports All of our performance manifolds feature two extra water ports at the rear of the manifold, a feature normally only found in manifolds costing hundreds more. Some enthusiasts have found that plumbing a line between these two rear ports can reduce engine overheating. Many racers also find these ports to be an advantageous special feature for plumbing special additional water lines. Nitrous Bosses If you want to run nitrous with the injectors mounted directly in the ports, Power+Plus Manifolds provide a simple solution. Many of our manifolds include cast-in nitrous bosses which provide the extra thickness not found in most competitive manifolds without spending a lot more money. This extra thickness is necessary to provide the proper amount of thread engagement. All you have to do is drill and tap the bosses to accept any manufacturer’s nitrous injectors.   Other Special Features of Prof. Products Manifolds: Ford Manifold includes rear water crossover passage. All ports very accurately positioned due to advanced casting techniques. Just before packing, every tapped hole in each manifold is chased with a tap to clear out polishing residue and to assure the threads are not damaged. All polished manifolds are meticulously hand polished to show levels. 100% of all manifolds are pressure tested, so we find any leaks before you install the manifold.

Manifold Manufacturing Processes All Power+Plus Manifolds are cast in high pressure steel dies rather than pour-in sand molds as used by all other manifold manufacturers. This type of tooling costs two or three times what conventional sand cast patterns cost, but the finished product is worth this additional expense. And because the cores (which form the internal ports and water passages) are mounted in steel instead of sand during the casting process, there is no chance of any core shifts, which sometimes go undetected in sand castings. Core shifts can cause misalignment between the ports and the heads, or even actual air or water leakage. That is one problem you will never have to worry about with Power+Plus. Each and every Power+Plus manifold is subjected to a very thorough pressure test that will detect any air or water leakage. We find any problems first so you don’t have to go to the effort of installing your manifold only to find out that it leaks and has to be removed and returned to the manufacturer. Power+Plus Manifolds are manufactured in a modern factory which produces OE aluminum manifolds for several major Japanese and European auto makers, so you know the quality is there. That same OE level quality can be found in every Power+Plus Intake Manifold.

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