Spicer Front Axle Lower King Pin for 1978-1991 Ford F-250 & F-350 (Dana 60, Single Side)

Eliminate front-end shimmy, correct loose steering knuckle play, and restore original structural integrity to your heavy-duty steering configuration with this genuine Spicer Front Lower King Pin. Specifically engineered for classic 1978–1991 Ford F-250 and F-350 Super Duty / Custom trucks equipped with a high-pinion, open-knuckle Dana 60 front axle, this single replacement pin restores the critical lower pivot point where the steering knuckle intersects with the inner axle yoke.

On heavy-duty commercial haulers and dedicated off-road builds, the lower king pin bears intense vertical loads and continuous friction. Over decades of service, exposure to road salt, moisture, and trail debris can cause micro-pitting, structural scoring, or localized corrosion on the pin's tapered bearing surface. When the surface profile degrades, it accelerates lower bearing failure, leading to loose steering tracking and erratic tire wear.

This premium component updates your front-end assembly with high-strength alloy steel that is precision-ground to factory dimensions. Sourcing a genuine original equipment component ensures exact indexing into your lower axle housing flange, guaranteeing an interference fit that stands up to severe trail impacts and heavy towing.

Component Highlights:

• Targeted Steering Correction: Provides 1 premium heavy-duty lower king pin component to overhaul a single steering knuckle assembly (fits either left/driver or right/passenger side).

• Genuine Spicer OEM Quality: Manufactured by the original equipment supplier to strict structural and material tolerances, delivering much higher fatigue resistance than generic aftermarket alternatives.

• Case-Hardened Alloy Steel: Heat-treated and precision-finished to ensure an ultra-smooth, high-wear resistant bearing journal surface that handles continuous high torsional loads.

• Exact Dimensional Press-Fit: Engineered to original factory indexing parameters for an absolute, slop-free install into the lower knuckle yoke ear.

Vehicle & Axle Fitment:

• Make: Ford (4WD Heavy-Duty Models)

• Models: F-250 (Heavy Duty/High GVWR), F-350, F-Super Duty Monobeam

• Years: 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991

• Axle Profile: Front Open-Knuckle King Pin Dana 60 Axles (Does not fit later-model ball joint variants)

• Position: Front Steering Knuckle - Lower Location (Fits Left or Right Side - Sold Individually)