Header Connector
2009
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 Opto 22 PB16H 16 Channel Rack with Header Connector New In Box $20.00 Time Remaining: 13d 23h 9m Buy It Now for only: $20.00 |
 100 254mm 40 Pin Female Header SINGLE Strip Connector $21.99 Time Remaining: 29d 3h 15m Buy It Now for only: $21.99 |
 10 254mm 40 Pin Female Header SINGLE Strip Connector $4.99 Time Remaining: 29d 3h 15m Buy It Now for only: $4.99 |
 20 254mm 40 Pin Header Round Female Inner Connector $10.99 Time Remaining: 26d 3h 12m Buy It Now for only: $10.99 |
 50 254mm 40 Pin Female Header SINGLE Strip Connector $13.99 Time Remaining: 29d 3h 15m Buy It Now for only: $13.99 |
 Allen Bradley 400054529 Connector Header 58 Pin WOW $19.99 Time Remaining: 7d 4h 42m Buy It Now for only: $19.99 |
 12 PIN HEADER MALE CONNECTOR SINGLE IN LINE PCB MONUT $9.90 Time Remaining: 15d 15h 28m Buy It Now for only: $9.90 |
 50 254mm 40 Pin Header Round Female Inner Connector $21.99 Time Remaining: 26d 3h 2m Buy It Now for only: $21.99 |
 10 254mm 40 Pin Header Round Female Inner Connector $7.99 Time Remaining: 26d 3h 22m Buy It Now for only: $7.99 |
 20 254mm 40 Pin Female Header SINGLE Strip Connector $7.99 Time Remaining: 29d 3h 15m Buy It Now for only: $7.99 |
 PB16H 16 channel Rack W header Connector $75.00 Time Remaining: 13d 14m Buy It Now for only: $75.00 |
 OPTO 22 PB16H RACK HEADER CONNECTOR BOARD $49.00 Time Remaining: 18d 2h 32m Buy It Now for only: $49.00 |
 OPTO 22 16 channel Header Connector PB16H w Add ons $32.50 Time Remaining: 22d 46m Buy It Now for only: $32.50 |
 Opto 22 G4PB16HC 16 Channel Rack With Header Connector $49.99 Time Remaining: 19d 2h 50m Buy It Now for only: $49.99 |
 OPTO 22 PB32HQ QUAD 8 MODULE RACK W HEADER CONNECTOR $89.95 Time Remaining: 26d 23h 27m Buy It Now for only: $89.95 |
 Opto 22 PB16H 16 channel Rack with Header Connector $47.50 Time Remaining: 18d 6h 42m Buy It Now for only: $47.50 |
 LOT OF 2 WAGO DEVICE NET LATERAL HEADER CONNECTOR DN3T 231 $49.99 Time Remaining: 2d 1h 44m Buy It Now for only: $49.99 |
 NEW OPTO 22 G4PB32H 32 CHANNEL RACK W HEADER CONNECTOR $39.99 Time Remaining: 12d 5h 55m Buy It Now for only: $39.99 |
 Opto 22 PB32HQ Quad 8 module Rack with Header Connector For B4 Brain $76.66 Time Remaining: 20d 2h 52m Buy It Now for only: $76.66 |
 G4PB8H Opto 22 G4 8 Channel Rack w Header Connector $54.99 Time Remaining: 27d 9h 21m Buy It Now for only: $54.99 |
 Opto 22 16 channel Rack W header Connector PB16H $45.00 Time Remaining: 5d 23h 1m Buy It Now for only: $45.00 |
 Opto 22 PB4H 4 Channel Digital Rack w Header Connector $32.49 Time Remaining: 25d 1h 32m Buy It Now for only: $32.49 |
 Opto 22 PB32P2 G4 32 Channel Rack W Header Connector $87.49 Time Remaining: 25d 1h 38m Buy It Now for only: $87.49 |
Header Connector
Custom Headers: Things of Beauty
Who hasn't felt their pulse quicken when a throaty hotrod idled beside them at a stop? The lope of the engine, the sheer custom sound of the car, is an amazing thing. That sound is created by having a finely tuned powerhouse under the hood; however, without a set of headers, that sound (and the power it implies) would be severely handicapped. What are headers, you ask? They are one of the easiest ways to add horsepower to your existing ride, as well as a great way to improve the sound of your engine.
Headers take the place of your stock exhaust manifold and run from the engine's head to the downpipe on your car. What do they do? Headers reduce the amount of backpressure in the engine, allowing the exhaust pulses to travel more freely to the exhaust pipe and out of the car. Why is this important? With stock exhaust manifolds, the amount of pressure buildup in the engine can significantly decrease power output. This is because the engine must work to move the exhaust; that takes precious power away from your wheels. The harder your engine must work to move the exhaust along, the less power it has left over to send to the transmission.
Headers can alleviate much of that problem, adding a significant amount of horsepower to your ride without doing anything more than opening up the exhaust system. With a standard exhaust manifold, the exhaust pulses from each cylinder are forced into the same chamber, building up pressure as each pulse attempts to escape through the downpipe. Headers provide a tube for each cylinder, allowing gasses to move much more freely.
When choosing a header, the best bet is to choose a kit from an established manufacturer, a kit made for your vehicle. While you can make your own headers, it's cheaper and easier just to buy a kit. Buying one that matches your year, make, model and engine size means that you will get the right number of headers (4 cylinders have 1, V6 and V8 engines have 2), as well as the right manifold gaskets and connectors. Never reuse your old manifold gaskets unless you absolutely have to. Also, make sure that your kit comes with mounting locations for your O2 sensor(s).
If you have access to a decent set of mechanic's tools, you can actually add headers on your own. While having access to a shop is a handy thing, you don't have to use one; a set of ramps can be just as handy, as long as you don't mind laying on the ground for a bit. You'll need to remove your old exhaust manifold, first. Loosen the bolts attaching the manifold to your down pipe and then remove the bolts holding the manifold to the head. Remove the old gasket under the header and clean the area. Now, place the new gasket on, followed by the header. Tighten the bolts in an alternating pattern, without tightening any of them fully until all bolts are snug. Reattach the down pipe to the new header and you're set!
About the Author
Andy's Auto Sport offers a full line of aftermarket automotive parts including cold air intakes, carbon fiber hoods and more. For more information, visit Andy's Auto Sport online.
What is the difference between connecting chassis fans to fan headers on the motherboard or the 4pin molex?
When you connect the fan to the header on the mobo does that supply power or do you still have to plug it in the molex connector?
The headers on the motherboard supply power. You do not need to use a
4-pin Molex power cable.
I DO suggest, however, that you Do Not use some kind of splitter, and run more than ONE fan, off of the motherboard fan power header.
If you need to split power to two fans, or more, then use a 4-pin Molex power cable adapter, that is for this.
Three pin fan connector?
One wire for power, one for ground, and one for registering the RPM's of the fan.
Four pin fan connector?
One for power, one for ground, one for RPM's, and the last one is a sensor wire. This is how the fan RPM's are sped up, or slowed down.
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