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Irs Rear 3x3 Mild Steel 3 Inch Longer 3 Inch Wider Trailing Arms For Micro Stub Disc Brakes

Irs Rear 3x3 Mild Steel 3 Inch Longer 3 Inch Wider Trailing Arms For Micro Stub Disc Brakes
    Country Of Origin: Taiwan
    Quantity in Basket: None
    Part Number: ac530016
    Price: $399.25
    Sold As: 1 Driver Side And 1 Passenger Side Rear Trailing Arm


     
    Quantity:
     
    This set of rear 3 x 3 IRS rear trailing arms uses the standard "small bearing" micro stub brake kits that fit into a 3-5/8 inch hole. A micro stub arm and brake kit is better than your standard beetle trailing arm kit because the wheel hub puts your tire in the same position as a regular beetle 3 x 3 arm. However the CV joint is sitting further out towards the tire. Because the CV joint is sitting further out you can use a much longer axle. A longer axle gives you a much more relaxed angle on your CV joint which allows for a lot more wheel travel. In addition to the extra wheel travel, a micro stub axle is shorter and larger in diameter than a beetle stub axle, which makes the stub axle a lot stronger. The arms do not have shock mounts welded to them allowing you to position the shock where ever is necessary for your sand rail, baja bug, or manx.

    The term 3 by 3 refers to the amount of inches wider and longer than a stock beetle trailing arm. On this particular set of arms they are 3 inches wider per side and 3 inches further towards the rear of the vehicle. Axle length could change based on your wheel alignment toe in or toe out and also where you have your transmission mounted in relation to the trailing arms. It is important to check your own axle length BEFORE you mount the axles on the vehicle.

    How To Measure An IRS Axle Length
    How to Measure IRS Axle Length:

    1.) First adjust your rear wheel alignment toe in. If your tires are toed out like a duck your trailing arms will be closer to your transmission resulting in a shorter axle.

    2.) Lift the trailing arm so that if you did have an axle it would be parallel to the floor at zero degrees. This is your shortest point.

    3.) Measure from the center of the drive flange on your transmission to the center of the stub axle on your trailing arm. DO NOT measure where your CV joint mounting surface is. You need to measure the bottom of each cup because this is where your axle will plunge into. If you purchase too long of an axle, when your trailing arm moves upward to zero degrees it will shove the axle into the transmission. This will mushroom the ends of your axles and eventually crush the ring gear inside your transmission.

    4.) After you have measured this distance, you subtract 1/4 inch total length. For instance if you measure from the center of the drive flange to the center of the stub axle and you get 20 1/2 inches you would buy a 20 1/4 axle.

    5.) Measure both sides of the car. It is VERY common to have unequal length axles.



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