One Design Parts

Replacement cotter pins for the ISCA rudder pintle assembly. This is the same pin as found in the complete 'ISCA Pintle Pin and Spring Assembly' and sold in a handy 5 pack in the event you misplace the cotter pin. A great item to keep in your sail bag...

Replacement Pintle Pin and Spring Kit for the ISCA sailboat rudder assembly. This kit includes the pintle pin, compression spring, washer, and cotter pin.  Complete Pintle Pin and Spring Kit Includes Pintle, Spring, Washer, and Cotter Pin Zim...

The pintle compression spring is used on the ISCA sailboat pintle, allowing the pintle to compress when putting on or removing the rudder assembly. Found on all new ISCA sailboat rudders from Zim Sailing. ISCA Pintle Pin Compression Spring Stainless...

Stainless steel pintle pin for the ISCA sailboat. This pin is used to connect the ISCA rudder assembly to the gudgeon on the transom of the boat. This is the pin only (does not include washer, spring, or cotter pin). ISCA Pintle Pin Stainless Steel Sold...

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 traveler block.   This is an official International Sunfish Class Association™ (ISCA®) class approved fitting. Zim Sailing is the exclusive manufacturer and distributor of the ISCA® Boat and Equipment. Boats and Equipment sold by...

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®)...

Official class approved lower boom for the ISCA sailboat. Designed for the club or recreational sailor, this lower boom includes end caps and standard Racelite mainsheet blocks. ISCA Lower Boom Includes end caps and mainsheet blocks Includes standard...

Official class approved upper boom for the ISCA sailboat. This upper boom includes end caps and is standard on all Zim ISCA Race and Club sailboats. ISCA Lower Boom Includes end caps Aluminum construction  Zim Sailing Part # 48142 Freight Shipping...

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 #...

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...

Standard 2 loop traveler bridle for ISCA sailboats. Made from a marine grade stainless wire with vinyl coating for long life. Attaches to traveler fairleads and provides a place for tying off or securing your mainsheet. Standard on all new Zim ISCA...