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Testimonials

It was a pleasure doing business with you. I'm almost hoping my passenger side axle goes out so I can replace it with one from you guys to match the great looking driver's side one.
Thanks again,

Chris Plesko
Mitsubishi Galant VR4

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Standard Limited
Lifetime Warranty

Standard Limited Lifetime Warranty

RAXLES warrants to the buyer of any axle that it is free from any defects in workmanship and material forever.

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CV Axles Fundamentals

Constant velocity joints because of their unique ability to overcome some of the design limitations of conventional Cardan style U-joints, have become a common component on many of today's drivetrains. You'll find CV joints used on many rear-wheel drive (RWD) and four-wheel drive (4WD) vehicles as well as on all front-wheel drive (FWD) vehicles.

 Some type of flexible coupling is needed on all open driveshaft to accommodate the up and down motions of the suspension. What's more, some means of allowing the driveshaft to change length or to "telescope" in and out must also be provided because the distance between the ends of the shaft change as the operating angle of the shaft increases

 

 What causes a driveshaft to change length as it swings up and down? The geometry of the suspension. In a FWD vehicle, for example, the arc through which the front suspension travels is determined by the length of the lower control arm (Figure 1). Up and down motions of the suspension cause the front tires to scrub in and out slightly. Since the driveshaft (which we'll refer to as a haftshaft) is almost always a different length than the control arm, it wants to swing through a longer arc than that of the suspension. This would create an interference angle between the two that would tend to bind up the motions of the suspension. That's why the driveshaft must be able to telescope in and out (Figure 2) because doing so enables it to follow the same arc as the suspension.

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