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Iridium Power Spark Plugs for the Audi A4 - S4 - RS4

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By harnessing the power of Iridium, DENSO is suddenly able to shrink the surface area of the center electrode - the critical component of a spark plug. Unlike a typical platinum plug that has a 1.1mm diameter center electrode, DENSO Iridium Power plugs have the world's smallest center electrode measuring 0.4mm in diameter. This means that the voltage requirements are decreased while firing performance is greatly improved.

 

The patented U-Groove design changed the industry standard in the mid 1970s by providing a better design that virtually eliminates erratic starts caused by poor fuel mixture. The U-Groove results in less flame dissipation making the spread of the flame nucleus easier and therefore yielding greater firing energy. It gives the flame a groove to grow in, thereby creating a larger flame front for a complete combustion.

On a conventional plug, the flat electrode design crushes the spark, and the overall volume of the flash front is smaller. The conventional method to improve firing was to increase the spark gap. This has a negative effect on the spark. With a U-Groove firing can be greatly improved without increasing the spark gap.

 

To help improve ignitability DENSO minimized the portion of the ground electrode that comes in contact with the flame nucleus. Because the area of the ground electrode where the tapered cut comes into contact with the flame nucleus is small, the heat lost to the electrode is lessened and firing performance improves dramatically. The surface area and weight of the ground electrode tip is reduced along with the load in terms of heat and vibrations. This means the spark plug can cope with heavier driving conditions.

 

Fifty million years ago, an asteroid composed almost entirely of the precious metal Iridium (Ir-77) struck the earth creating the Gulf of Mexico. From this catastrophe came a metal with properties ideal for spark plug construction. Using this element, DENSO has evolved spark plug design to a new level.

 

DENSO's patented technology makes Iridium Power the best spark plugs you can buy today.

 

PLEASE NOTE: You will be able to select the quantity you need on the checkout page

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Audi A4 - 1.6 - Iridium spark plugs (each)            

Audi A4 - 1.8 - Iridium spark plugs (each)            

Audi A4 - 1.8 Turbo - Iridium spark plugs (each)  

Audi A4 - 2.0 - Iridium spark plugs (each)            

Audi A4 - 2.4 - Iridium spark plugs (each)            

Audi A4 - 2.6 - Iridium spark plugs (each)            

Audi A4 - 2.8 - Iridium spark plugs (each)            

 

Audi S4 - 2.7 - Iridium spark plugs (each)            

 

Audi RS4 - 2.7 - Iridium spark plugs (each)

£12

£12

£20

£12

£17

£12

£12

 

£15

 

£12

 

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Silicone Air Induction Hose for the Audi A4 - S4

At 6mm thick and 4 ply these are one of the best quality silicone hose kits on the market.

 

Can withstand temperatures of between -50c to 220c.

Audi A4 - 1.8T - Silicone air induction hose kit (3 piece)  

 

Audi S4 - Silicone turbo hose kit (12 piece

£115

 

£195

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Powerflex Poly Bushes for the Audi A4 - S4 - RS4

The special type of polyurethane used is an advanced material which has unique properties. These poly bushes have the ability to offer high performance without vibration or noise but with exceptionally long life.

 

Your normal rubber suspension bushes undergo enormous strains with no maintenance or lubrication and so deteriorate with age, allowing more and more movement of suspension components and offering less and less control over the suspension geometry. This in turn causes accelerated tyre wear, braking instability, and poor handling.

 

Fitting Powerflex poly bushes does away with these problems. When fitted, you will instantly notice an increase in handling, prolonged tyre life, as well as an increase in safety.

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Non Quattro Models

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Audi A4 - Powerflex full car poly bush kit (non Quattro)                                    

 

Audi A4 - Powerflex front lower shock mount poly bushes (pair)                                

 

Audi A4 - Powerflex front tie bar rear poly bushes (pair)                      

 

Audi A4 - Powerflex front upper arm to chassis poly bushes (set of 4)  

 

Audi A4 - Powerflex front lower arm inner poly bushes (pair)                

 

Audi A4 - Powerflex front anti roll bar poly bushes 25mm (pair)            

 

Audi A4 - Powerflex front anti roll bar poly bushes 27mm (pair)            

 

Audi A4 - Powerflex front anti roll bar poly bushes 29mm (pair)            

 

Audi A4 - Powerflex front anti roll bar link poly bushes (set of 4)            

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Quattro Models

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Audi A4/S4/RS4 - Powerflex full car poly bush kit (Quattro)                            

 

Audi A4/S4/RS4 - Powerflex front lower shock mount poly bushes (pair)          

 

Audi A4/S4/RS4 - Powerflex front tie bar rear poly bushes (pair)                      

 

Audi A4/S4/RS4 - Powerflex front upper arm to chassis poly bushes (set of 4)  

 

Audi A4/S4/RS4 - Powerflex front lower arm inner poly bushes (pair)                

 

Audi A4/S4/RS4 - Powerflex front anti roll bar poly bushes 25mm (pair)            

 

Audi A4/S4/RS4 - Powerflex front anti roll bar poly bushes 27mm (pair)            

 

Audi A4/S4/RS4 - Powerflex front anti roll bar poly bushes 29mm (pair)            

 

Audi A4/S4/RS4 - Powerflex front anti roll bar link poly bushes (set of 4)            

 

Audi A4/S4/RS4 - Powerflex rear lower arm front poly bushes (pair)                  

 

Audi A4/S4/RS4 - Powerflex rear lower arm rear poly bushes (pair)                    

 

Audi A4/S4/RS4 - Powerflex rear upper arm outer poly bushes (pair)                

 

Audi A4/S4/RS4 - Powerflex rear upper arm inner poly bushes (set of 4)            

 

Audi A4/S4/RS4 - Powerflex rear anti roll bar poly bushes 15mm (pair)              

 

Audi A4/S4/RS4 - Powerflex rear anti roll bar poly bushes 16mm (pair)  

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