Harken Big Boat Sheaves

Harken Big Boat Sheaves
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of Hardkote-anodized, Teflon impregnated 6061-T6 aluminum, sheaves feature Torlon rollers to carry high radial loads and carbon-black Delrin balls to support sideloads and provide UV protection. Select sheaves based on load-carrying capability.

Installation requires clamping or securing inner race.

Use for:


  • Mainsheets

  • Spinnaker sheets

  • Afterguy/foreguy

  • Foot Blocks

  • Harken 3" Sheave
    Regular price: $205.95
    Sale Price : $162.89
    Harken 4.5" Sheave
    Regular price: $505.10
    Sale Price : $400.49
    Harken 5.5" Sheave
    Regular price: $653.50
    Sale Price : $517.49
    Harken 7" Sheave
    Regular price: $1,068.05
    Sale Price : $845.99
    Harken 4" Sheave
    Regular price: $316.80
    Sale Price : $251.09
    Harken 3" Wide Sheave
    Regular price: $337.90
    Sale Price : $268.19
    Harken 4.5" Wide Sheave
    Regular price: $604.05
    Sale Price : $478.79
    Harken 2.5" Wide Sheave
    Regular price: $227.90
    Sale Price : $180.89