Introduction: Our dropped spindles lower your truck 2 - 3 inches depending on application , improve the handling while maintaining fact/y ride quality. Our spindles maintain critical suspension geometry eliminating excessive ball joint, shock and tire wear common to other methods of lowering. Each spindle is built from high strength ductile iron, providing the structural integrity to meet and exceed all factory specifications.     Application: Fit For Chevrolet C-10 1973-1987 Fit For Chevrolet C-10 Suburban 1973-1986 Fit For Chevrolet R10 1987 Fit For Chevrolet R10 Suburban 1987-1988 Fit For Chevrolet R1500 Suburban 1989-1991 Fit For GMC C1500 1985-1986 Fit For GMC C1500 Suburban 1985-1986 Note: Requires 1.25" Rotor and 2WD     Specification: Placement on Vehicle: Left, Right, Front Drop Height : 3 inch     Feature: Exquisite forging technology Material is ductile iron Excellent strength and toughness     Note: Before purchasing these spindles it is strongly suggested to measure the thickness of your rotors.  Taking a tape measure or caliper, measure the thickness of your rotors.  It will either be 1" thick or 1.25" thick.  This listing is for models where the thickness measures 1.25". 1.Authority ID:MXR02FXSY 2.Notice: California Prop 65 Warning