Get ready for the track with this four (4) arm set of adjustable upper links for the Audi B8 and C7 platforms. This kit has four arms so you can change camber and caster ±1.5° on both sides. xAxis™ sealed flex joints replace the compliant inner bushings with a free pivoting, minimum compliance, joint. You will feel the difference in handling.
SPC Arms Feature:
• Forged 6061-T6 Aluminum construction for maximized strength at a minimum weight
• OE style, maintenance free, booted ball joints
• Large 18mm threaded adjuster links
• Replacement pinch bolts
• xAxis™ sealed flex joints replacing overly compliant OE inner bushings with a free pivoting, minimum compliance joint
Don't need the added benefits of our performance arms? Use SPC arms with OE type bushings - part #81363 for two sets of arms to correct both sides of the vehicle, #81361 for the left side, or part #81362 for the right.
Need to replace the ball joint boots on these arms? We have replacement kits available! Part No. 81354.
Front Adjustment range:
Camber: ±1.5°
Caster: ±1.5°
Installation time: .7 hr/side
Required: 1 kit per axle
Featuring xAxis™
• Sealed joint retains grease and excludes contaminants
• Highly polished electroless-nickel finish on ball
• Up to 45° angularity for high mis-alignment requirements
Warning: You will also hear the difference, the OE bushings are designed to absorb and negate noise, vibration, and harshness (NVH). This set of arms will transmit road noise into the cabin.
Installation Experience
After completing a number of installations and alignments using these arms we have learned of some things that must be taken into consideration during the alignment process. With stock control arms these cars tend to end up upwards of 2 degrees of negative camber. The factory specification for most suspension codes* is 1.08 degrees with a tolerance of +/- of 0.38 degrees. This means that the "perfect" car from the factory is set to 1.08 degrees, but if the car is anywhere from 0.7 to 1.46 degrees Audi deems it okay.
We have learned that with any adjustable upper arms on the B8 chassis you should not aim for the factory specification of 1.08 degrees. Because these arms correct negative camber by increasing in length there is a point at which it becomes possible for the very end of the control arm to contact the chassis and, on the drivers side, contact and damage an electrical wiring harness. The actual value will change depend on how low the car is and it's unique characteristics, but our experience has shown that 1.4-1.5 degrees is enough for most cars to provide the needed clearance. This is still within Audi's tolerance range, and will provide a slight handling improvement.
* - Standard (1BA), Sport (1BE/1BD), and Active (1BL) suspensions use the same camber specification. S-Line (1BV) suspension has the specification at 1.22 degrees with the same tolerance range.
