Harken Integral Backstay Adjusters

Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. The cylinder features a built-in, double-acting pump that delivers oil when the handle is both pushed and pulled. This moves oil through the system twice as fast as single-acting pumps on other integrals.

Assemblies include a hardcoat-anodized aluminum cylinder and pump, valve, and stainless pump handle with three attachment options: pin installs handle permanently; O-ring secures handle in socket, but is not permanent; nonlocking handle installs without O-ring and roll pin. All pins and plugs are stainless steel. Cylinders include a clevis on both ends. Standard eye-jaw toggles fit all Harken cylinders. 

Harken -10 Single Action Integral Hydraulic Backstay Adjuster
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly fo..
Harken -12 Single Action Integral Hydraulic Backstay Adjuster
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly fo..
Harken -17 Single Action Integral Hydraulic Backstay Adjuster
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly fo..
Harken -6 Integral Backstay Adjuster - No Gauge
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. T..
Harken -6 Single-Acting Integral Backstay Adjuster
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly for ..
Harken -10 Integral Backstay Adjuster - No Gauge
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. T..
Harken -12 Integral Backstay Adjuster - No Gauge
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. T..
Harken -17 Integral Backstay Adjuster - No Gauge
Harken’s integral hydraulic backstay adjuster provides the power to optimize sail shape quickly. T..
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