Product Reviews for 2015-17 Mustang GT/EcoBoost Steeda Race Differential Bushing Insert System - Aluminum 555-4440
Autosports has once again taken the S550 Mustang to the next level of
performance with the exclusive 2015 Mustang GT/EcoBoost Steeda Race
Differential Bushing Insert System - Aluminum 555-4440! When
engineers sat down to design the street kit, they knew they needed one
for the hardcore racers out there, too!
race kit kit installs in around 1 hour, is adjustable and can be easily
removed - it simply doesn’t get any better than this!
eliminates pinion angle changes, wheel hop, differential deflection all
while increasing traction! Made in-house from billet 6061 aluminum.
kit adds the strength and support the OEM bushings need to perform the
way hardcore racers 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
1 hour. Aluminum bushings are included for both the front and rear
differential mounting locations. Grade 10.9 hardware is included with
This is a race-only part. It will increase NVH and gear noise. For
street and competition use, try our 555-4439
kit with urethane bushings.
IRS differential movement while increasing traction and eliminating
for the abuse seen racing down the 1/4 mile