Kryptonite Lower Ball Joint — 1999–2022 Ford F-250 / F-350 Super Duty | 4WD | KR8607T
The Kryptonite KR8607T Lower Ball Joint is a direct press-in replacement lower ball joint engineered specifically for heavy-duty use on 1999–2022 Ford F-250 and F-350 Super Duty 4WD trucks. Sold individually — one ball joint per order.
Break-In Period Note: These ball joints require a break-in period after installation. Stiffness and simulated memory steer is normal following install. Actual mileage of this break-in period can vary depending on vehicle setup and driving terrain.
Features:
- Heat-treated 4140 chromoly stud
- Oversize heavy-duty internals
- Serviceable grease port
- Improved strength and rigidity over OEM
- Direct press-in replacement
- E-coat finish for corrosion resistance
- Pre-greased with premium Chevron Ultra EP2 Grease — ready to install
What's in the Box:
- (1) Kryptonite lower ball joint with C-clip — KR8607T
Fitment:
| Years | Application |
|---|---|
| 1999–2022 | Ford F-250 |
| 1992–2022 | Ford F-350 |
| 1999–2004 | Ford F-450 |
| 2011–2016 | Ford F-450 Pickup Only |
| 1999–2004 | Ford F-550 |
| 2000–2005 | Ford Excursion |
| 1994–1999 | Ram 2500/3500 |
Important Fitment Notes:
- 4WD trucks only
- Does NOT fit 2005+ F-450/F-550 Cab & Chassis
Part Number: KR8607T
Warranty: Kryptonite No Fine Print Lifetime Warranty — covers manufacturer defects, premature wear, or breakage for the life of the product to the original purchaser.