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Home | 15-17 Mustang | Drivetrain | Differential | 2015-17 Mustang EcoBoost Steeda Differential Bushing Insert System - Street to Full Race Combo Kit 555-4444

2015-17 Mustang EcoBoost Steeda Differential Bushing Insert System - Street to Full Race Combo Kit 555-4444

Item Number:555-4444
Availability:Usually ships the next business day
Market Price:$193.74Our Price:$152.96
Quantity:
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  • Description
  • Reviews



Steeda Autosports has once again taken the S550 Mustang to the next level of performance and comfort with their exclusive 2015 Mustang EcoBoost Steeda Differential Bushing Insert System - Street to Full Race Combo Kit 555-4444! This combo kit comes complete with Urethane and Aluminum Differential Bushing Insert Systems. When Steeda engineers sat down to design these kits, they had to come up with a way to increase performance without sacrificing an ounce of drivability using urethane bushings. Their engineers then also took their hardcore racers into mind when designing this kit which utilizes aluminum bushings.


Unlike competitors' kits that will absolutely increase NVH (noise, vibration, harshness), take 3-4 hours to install and force you to permanently modify the rear IRS suspension with a sawzall, Steeda’s does not! Their kit installs in around 1 hour, adds ZERO increase in NVH, is adjustable and can be easily removed - it simply doesn’t get any better than this!


Both the urethane and aluminum bushing inserts aim to minimize pinion angle changes, increase traction, eliminate wheel hop and differential deflection.


The urethane bushing inserts are made to Steeda's exact specifications and durometers, the kit comes with 3 different bushing options - red 'street' 80 durometer bushings, black 'performance' 90 durometer bushings, and in-house billet 6061 aluminum bushings 'race'. Both urethane bushing options will increase performance with no increase in NVH, a Steeda-exclusive. Steeda's race kit installs in around 1 hour, is adjustable and can be easily removed. Since NVH was not an issue when designing the aluminum inserts, the engineers aimed to maximize reduction in wheel hop and differential deflection.


Steeda’s kit adds the strength and support the OEM bushings need to perform the way customers intended. Once again, this is not a permanent modification - there is no drilling, cutting or pressing required. Simply loosen and remove a couple bolts and this kit installs in around an 1 hour. Bushings are included for both the front and rear differential mounting locations. Grade 10.9 hardware is included with zinc-plated washers.


Product Benefits

  • Limits IRS differential movement while increasing traction and eliminating wheel hop
  • Urethane bushing inserts - no increase in NVH unlike the competition
  • Aluminum bushing inserts - designed for the abuse seen racing down the 1/4 mile
  • Easily removable, not a permanent modification
  • 100% designed, manufactured and made in the USA

Ordered the cold air and tuner combo. Best tune I have had. Really woke up my 5.0

- C. Faulkner

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