Kelltrac - S550 Rear Shock Bearing Upgrade Kit

Upgrade your Viking rear shocks with this premium KellTrac Spherical Bearing Kit, designed to replace the soft lower bushings on your S550 Mustang. Engineered for improved suspension performance and durability, this kit delivers a tighter, more consistent feel—perfect for high-power street builds and track use.

Manufactured with the highest quality materials, the kit includes everything needed for a clean and complete installation.

Includes:

• (2) Custom Stainless Steel Spherical Bearings

• (2) Custom Billet Steel T-Bar Shock Mount Bars

• (4) Hardened Steel Retaining Snap Rings – Shock Body

• (4) Hardened Steel Retaining Snap Rings – Shock Mount Bars

• (4) Zinc-Coated Mounting Bolts

• (8) Zinc-Coated Washers

• (4) Zinc-Coated Lock Nuts

✅ Direct fit for all Viking rear shocks on S550 Mustang (2015–2023)
✅ Eliminates bushing deflection
✅ Enhances rear suspension precision and response

Perfect for drag racing, road course, or spirited street use—built to handle serious abuse.