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ISCA Parts

Zim Sailing is the official class approved builder of the ISCA sailboat. All sails, parts, and fittings sold by Zim Sailing are class legal and approved for International Sunfish Class Association™ racing. In nearly all cases, this equipment is cross compatible with existing lateen rigged boats. When you purchase an ISCA sailboat sail, fitting, or spare part from Zim Sailing or one of its dealers, your purchase supports the growth of ISCA sailing. Shop parts by category below including sails, hull and deck parts, spars, spar fittings, tillers and blades, rigging, accessories, and more for the ISCA sailboat.

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  • ISCA Mainsheet Swivel Cleat

    ISCA Mainsheet Swivel Cleat

    Zim Sailing
    $106.75
    Recreational sailors rejoice! The ISCA Mainsheet Swivel Cleat is a popular upgrade for the casual ISCA sailor, with a 360-degree rotating swivel base with integrated cleat. This allows easy cleating and un-cleating from any angle and offers great...
  • ISCA Daggerboard

    ISCA Daggerboard

    Zim Sailing
    $415.00
    Fiberglass daggerboard for the ISCA sailboat. This is the standard for all racing sailors.  ISCA Daggerboard Fiberglass Construction Zim Sailing Part # 48107   This is an official International Sunfish Class Association™ (ISCA®)...
  • ISCA Rudder Cheek ISCA Rudder Cheek

    ISCA Rudder Cheek

    Zim Sailing
    $135.00
    Rudder Cheek for the ISCA sailboat. This is an updated design found exclusively at Zim Sailing, offering stronger, more durable plastic for long life. Includes pintle pin and spring.  Rudder Cheek Includes Pintle Pin & Spring Zim Sailing Part #...
  • ISCA Threaded Bailer Cap - Short

    ISCA Threaded Bailer Cap - Short

    Zim Sailing
    $18.00
    Official replacement bailer cap for ISCA sailboats. This is the 'short' style 13/16 inch cap found commonly on boats produced since 1972 and standard on all new Zim ISCA sailboats. This is the cap only. 13/16″ in length Official replacement...
  • ISCA Bow Handle

    ISCA Bow Handle

    Zim Sailing
    $35.00
    Replacement metal bow handle for ISCA sailboats. Mounted to the bow of the ISCA, the bow handle provides a handy lift point for your boat and place to tie off a line. Mounts to the deck with screws (not included). Official ISCA replacement fitting Zim...
  • ISCA Boom Block Single Swivel - Race Lite

    ISCA Boom Block Single Swivel - Race Lite

    Zim Sailing
    $21.00
    Replacement boom block with swivel for ISCA sailboat booms. This is the standard Race Lite version. ISCA Boom Block w/ Swivel Zim Sailing Part # 48160   This is an official International Sunfish Class Association™ (ISCA®) class approved...
  • ISCA Boom Block Single Fixed - Race Lite

    ISCA Boom Block Single Fixed - Race Lite

    Zim Sailing
    $19.00
    Replacement boom block for ISCA sailboat booms. This is the standard Race Lite version that is fixed (ie, does not swivel). ISCA Boom Block (Fixed) Zim Sailing Part # 48159   This is an official International Sunfish Class Association™...
  • ISCA Gooseneck Assembly

    ISCA Gooseneck Assembly

    Zim Sailing
    $150.00
    Replacement Gooseneck Assembly for ISCA sailboats. The gooseneck provides attachment between the ISCA mast and the ISCA lower boom. Add a quick adjust lever (not included) for easy on the water adjustments to your rig.  Gooseneck Assembly Zim...
  • ISCA Mast Halyard Cap

    ISCA Mast Halyard Cap

    Zim Sailing
    $18.00
    Replacement upper or top mast cap for the ISCA sailboat. This plastic fitting includes a hole for the halyard to pass through. Cap is typically mounted to the mast with a rivet or pin.  Upper / Top Mast Cap Plastic Fitting Zim Sailing Part #...
  • ISCA Mast Base Cap

    ISCA Mast Base Cap

    Zim Sailing
    $18.00
    Replacement lower mast cap for the ISCA sailboat. This is the plastic fitting mounted to the bottom of the ISCA mast to help prevent wear in the mast step. This is a plastic fitting and standard on all new Zim Sailing ISCA masts. Lower / Bottom Mast...
  • ISCA Boom End Cap no Eye

    ISCA Boom End Cap no Eye

    Zim Sailing
    $11.00
    Replacement ISCA sailboat boom end cap without eye. This cap is mounted to the forward end of the boom. Plastic Fitting Zim Sailing Part # 48155 This is an official International Sunfish Class Association™ (ISCA®) class approved fitting. Zim...
  • ISCA Boom End Cap w/ Double Eye ISCA Boom End Cap w/ Double Eye

    ISCA Boom End Cap w/ Double Eye

    Zim Sailing
    $15.00
    Replacement boom end cap for the ISCA sailboat. This 'Double Eye' version is used at the aft end of the lower boom to accommodate the outhaul rigging.  End Cap w/ Double Eye Durable Plastic Construction Zim Sailing Part # 48154 This is an official...

ISCA Sailboat Parts from Zim Sailing

Keep your ISCA sailboat in top sailing condition with our wide range of high-quality replacement parts and accessories at Zim Sailing. Whether you're in need of a new sail, rudder, mast, or any other essential component, we offer parts that are designed specifically for the ISCA sailboat to ensure a perfect fit and optimal performance on the water. Our collection includes everything from hardware and rigging to maintenance tools, allowing you to easily repair or upgrade your ISCA for smoother, faster, and safer sailing experiences. Trust Zim Sailing for the best parts to enhance your ISCA sailboat. Browse our selection today and get your boat performing at its best!

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