Fabtech FTS20503D Driver Side Machined Spindle for 2011-2019 GM 2500HD 3500HD

The Fabtech FTS20503D is a precision-machined driver side spindle designed as a replacement component for Fabtech's 3.5" front lift systems on 2011-2019 Chevrolet Silverado and GMC Sierra 2500HD/3500HD heavy-duty trucks. This ductile iron steering knuckle is engineered to work seamlessly with Fabtech's suspension lift kits, providing the structural strength and precision fitment required for lifted applications.

Key Features:

• Driver side (left) application for precise replacement
• Heavy-duty ductile iron construction for maximum strength and durability
• Precision-machined surfaces ensure proper alignment and bearing fitment
• Compatible with Fabtech lift kits FTS21108, FTS21104, and other 3.5" systems
• Designed to accept factory ball joint tapers without spindle modification
• Maintains proper suspension geometry in lifted applications
• Professional installation recommended with torque specifications of 83 ft-lbs upper and 101 ft-lbs lower ball joints

This spindle is a critical component in Fabtech's front suspension systems, allowing for increased ground clearance while maintaining proper steering geometry and wheel alignment capabilities. The machined design ensures compatibility with both stock and upgraded components including uniball upper control arms. Fabtech's engineering provides the strength needed for aggressive off-road use while retaining on-road drivability.