SAB HPS3 3-Blade Tail Rotor System Upgrade Conversion Kit H2470-K July 25, 2026 admin Aluminum Tail Blade Grip x 3pcs. D5 Steel Tail Shaft x 1pc. Steel Hub x 1pc. Tail Pitch Slider HPS3 × 1pcs. Hardware x 1set. IlGoblin Pro 420. Blades Suggestion : Tail Blades S72 3 Blades Orange S723-O / Yellow S723-Y.
