SeaStar Solutions HK4420-3 hydraulic inboard steering system. Comes complete with helm, cylinder, tubing, fluid, and hardware, making the upgrade to low-friction hydraulic steering for your inboard quick and easy. SeaStar meets A.B.Y.C. and N.M.M.A. standards. Please view all application information below before ordering.

HK4420-3 Application Guide

• Pleasure Duty
  • Planing Hull
    • Single engine 26ft to 32ft, or dual engine 32ft to 38ft
  • Displacement Hull
    • Single or dual engine up to 26ft
• If you have a smaller planing hull boat, see the HK4410-3 kit

Helm Specifications

• Part Number: HH5271-3
• Displacement: 1.7 cubic inch
• Requires only 3" dash hole and has a 4-7/16" footprint
• Standard 3/4" tapered keyed helm shaft for steering wheels up to 28"

Cylinder Specifications

• Part Number: HC5313-3
• Model: BA135-7ATM
• Body Diameter: 1.50" (38.1mm)
• Shaft Diameter: 0.625" (15.9mm)
• Cylinder equipped with bleeder fittings

Kit Contents	Part Number	Qty
Helm	HH5271-3	1
Cylinder	HC5313-3 (BA135-7ATM)	1
Tubing	HT5___	2x 30ft
Fluid Quart	HA5430	2

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