SPC Performance · New
SPC Performance xAxis Sealed Flex Joint for Mustang Cobra
MPN 15645 · Store SKU spc15645
Supplier stock checked 11/7/2026, 3:24:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Replace worn rear knuckle cross axis ball joints on the IRS Mustang Cobra with xAxis joints from SPC Performance. SPC's cross axis ball joints feature highly polished electroless nickel plated balls, corrosion and wear resistant moly impregenated nylon races, and dust boots to keep contaminants out & ensure long life. xAxis Joints come pre-greased and are designed to be maintenance free. This kit includes one (1) xAxis joint. Use SPC press adapters part number 29606 and 29610 ot make installation a snap. Don't have a press tool? Use SPC #40940. California Residents WARNING Replace worn rear knuckle cross axis ball joints on the IRS Mustang Cobra with xAxis joints from SPC Performance. SPC's cross axis ball joints feature highly polished electroless nickel plated balls, corrosion and wear resistant moly impregenated nylon races, and dust boots to keep contaminants out & ensure long life. xAxis Joints come pre-greased and are designed to be maintenance free. This kit includes one (1) xAxis joint. Use SPC press adapters part number 29606 and 29610 ot make installation a snap. Don't have a press tool? Use SPC #40940. X-AXIS SEALED FLEX JOINT
Manufacturer fitment & guides
Check 15645 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
