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Irs 3x3 Rear Mild Steel 3 Inch Longer 3 Inch Wider Trailing Arms With Beetle Bearing Housing

Country Of Origin: Taiwan
Quantity in Basket: None
Part Number: ac530015e

Price: $469.00

Weight: 45.00 pounds
Sold As: 1 Driver Side And 1 Passenger Side Rear Trailing Arm

Would you like us to weld on our gusset kit reinforcement plates? Additional $300.00:
	No
	Yes, Weld It Up! (+$300)

Quantity:

This set of rear 3 x 3 IRS rear trailing arms uses standard 1969 to 1979 beetle stub axles, bearings, seals, and spacers. These arms can also be used with beetle to bus or beetle to Porsche 930 ADAPTER stub axles. 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. If you have a beetle transmission you should need a 20.25 inch long axle. If you have a bus transmission you should need a 19.25 inch long axle. However, 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.

1. Inner Spacer: Face the inner bevel of the inner spacer towards the bottom of the stub axle.

2. Inner Bearing: The inner bearing is the "ball bearing". This bearing does not have a removable inner race.

3. Center Spacer: Long spacer goes in the middle, the direction does not matter.

4. Outer Bearing: The outer bearing is the "roller bearing". This bearing has the removable inner race.

5. Outer Spacer: This is very important! Face the outer beveled edge of this spacer towards the outer bearing.

3x3 trailing arms
3 x 3 vw trailing arms

Related Parts

Part Number	Name	Image	Price
ac598990b	Bearing And Seal Kit For Both Rear Irs Trailing Arms		$104.98
ac598990c	Complete Bearing, Seal, Spacer, Cap, And Snap Ring Kit For Both Rear Irs Trailing Arms		$209.90
ac530015e-gst-6	Trailing Arm Gusset Kit For 3x3 Rear Boxed Trailing Arms, Complete 6 Piece Kit		$160.00

Customers who purchased this product, also purchased:

Part Number	Name	Image	Price
saco94-3022	Saco Usa Made Irs Trailing Arm Pivot Bushing Set		$64.00
ac598990b	Bearing And Seal Kit For Both Rear Irs Trailing Arms		$104.98
ac530020	Urethane Irs Rear Trailing Arm Bushings For Stock Or Aftermarket Arms On Stock Pivot		$30.75
ac750722-125	Weld On Double Sheared Shock Mount For King 2.0 Or Fox 2.0 Shock Absorbers 1.25 Inches Wide		$14.00
ac501111be-930	Porsche 930 Cv Barrel Shape Axle Boot Must Use Flange Number Ac501111Fprm-930 Or Ac501111Fe-930		$15.10
ac598990c	Complete Bearing, Seal, Spacer, Cap, And Snap Ring Kit For Both Rear Irs Trailing Arms		$209.90
ac525204	Chromoly Axles For Type-1 Beetle Or Type-2 Bus Cv Joints - 20 1/4 Long For Bug Trans Using 3X3 Arms		$274.90
saco60-2021	Saco Billet Aluminum Ball Joint Frame To King And Link Pin Axle Beam Adapters		$369.00

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