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Driveshafts

Mark Williams offers a wide range of driveshafts to fit your application. From 3" mild steel to carbon fiber, we make a shaft that will fit your need. All shafts are fabricated and balanced in-house to assure a high quality product with a quick delivery.

The driveshaft should be one of the last things you order for your car because weights and dimensions may change even slightly in the final phases of building your car. When you measure, make sure of a few critical things:

1) Measure with the car on the ground
2) Make sure that the car has all weight in it
3) The driver should be in the car when it is measured.
4) Make sure that your 4-Link suspension is adjusted to race conditions

     
About Critical Speed

Critical speed is the single most important aspect of driveshaft selection. Critical speed is simply the maximium speed that a driveshaft can spin at safely. Depending on the length, material and diameter of the shaft the critical speed can vary widely. More information about driveshafts can be found here.
 
Pros and Cons of Different Materials

Steel Shafts

Pros:
Extrememly strong
Extremely durable
Cost effective
Cons:
Lower critical speed
Larger rotaing mass
   
Aluminum Shafts

Pros:
Higher critical speed
Corrosion resistant
Light rotating mass
Good strength to weight ratio

Cons:
Weaker than steel
Heavier than carbon fiber
   
Carbon Shafts

Pros:
Best critical speed
Lightest rotating mass
Corrosion resistance
Cons:
Suceptible to road damage (such as offroad use)
     
Cross-Drive Driveshafts MasterLine Driveshafts
Solid Driveshaft & Couplers