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Offshore Performance Controls - Hardin Marine Controls

Four Lever Xtreme Throttle/Shifter Control Customizer

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This Part has options, please click the button below to order.

Four Lever Xtreme Throttle/Shifter Control Customizer

620-5 + Option(s)

Four Lever Xtreme Throttle/Shifter Control Customizer

The World's Finest Controls Are Now Stronger, Smoother And Have More Features Than Any Other Control Available

Hardin Marine offers the serious boater unsurpassed quality, performance and service.  The newly designed Hardin Marine Xtreme controls start with a main body quadrant CNC machined from lightweight durable aircraft billet aluminum.  while the handles are made of nothing short of nearly indestructible all billet stainless steel.  these controls feature larger smooth ergonomically designed throttle and shift knobs.  The throttle knobs allow for an industry exclusive 4 trim button option to ensure comfortable manageability boat control.  The Hardin controls offer an extremely narrow mounting footprint to allow easy mounting in the tightest of quarters but it does not stop there.  With the ability to change cable entry locations from front, rear, and even bottom entry these controls give you unlimited options.  If you can't decide between a detent (click) style operation or smooth, no problem, these controls offer both with a simple adjustment from the top side, there's no need to remove the controls to make the adjustment.  If your the type of customer that prefers "Great" over "Good" or "Exceptional" over "Acceptable" then we're confident you will own Hardin Marine Controls.

Shifter Features:

  • Adjustable from DETENT (click) style or SMOOTH (friction) style...Outstanding for all applications
  • Detent and friction can be adjusted without removing the unit
  • Three different cable entry options front, rear, or bottom allow for precise mounting and setting of throttles
  • Unique swivel style cable clamps accept standard 30 series cables
  • Optional 0, 2, 4, 6 or 8 aircraft waterproof billet aluminum trim button options
  • Available in a standard polished finish or optional UV protected powder coated colors
  • No exposed mounting hardware

These NEW heavy-duty, durable, billet aluminum/stainless steel throttles are built for the race or pleasure boater.  Now with two or four trim buttons mounted in the throttle handle.  One set of buttons for trimming both drives or both tabs, single or dual configurations can be used to activate drives, tabs, nitrous, etc.  billet aircraft button style switches are waterproof with the wires running internally through the handle and brackets leaving no exposed wiring.

Available in (P) Polished, (B) Blue, (R) Red, (BK) Black, (PUR) Purple, (TL) Teal, (W) White, (Y) Yellow

Momentary Trim Switch for Early Hardin, Gaffrig and Livorsi Controls
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Momentary Trim Switch for Early Hardin, Gaffrig and Livorsi Controls


This is a Momentary Trim Switch that will replace worn out switches on Early Hardin, Gaffrig and Livorsi controls.

Neutral Safety Switch - Shifter, 20 Amp
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Neutral Safety Switch - Shifter, 20 Amp


Neutral Safety Switch - Shifter, 20 Amp

For use on Hardin Marine Offshore and Stiletto controls. Also used on 620-60313 bracket.