One Design Parts

FAST Canvas covers are handcrafted in the USA, tailor-made to guard your boat and gear against the elements. Tested in the harshest conditions, FAST Canvas covers keep your boat safe while looking...

FAST Canvas covers are handcrafted in the USA, tailor-made to guard your boat and gear against the elements. Tested in the harshest conditions, FAST Canvas covers keep your boat safe while looking...

Protect your ISCA from the elements with a FAST Canvas Premium ISCA Hull Cover. Ideal for trailering, whether on a rack or a dolly-docking system! Handcrafted in the USA Primarily premium grey...

Protect your ISCA from the elements with a FAST Canvas Premium ISCA Deck Cover. Leave your mast up and your booms rigged at the club or overnight at your local regatta! Reinforced bow panel for...

Protect your ISCA from the elements with a FAST Canvas Premium ISCA Deck Cover. This version is built for when the mast is down, making it perfect for trailering. Handcrafted in the USA Primarily...

Replacement rudder tension springs for the ISCA sailboat. These springs help hold the rudder down while under sail while allowing you to quickly pop the rudder up when approaching shore. Use 2 per...

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...

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...

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...

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,...

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...

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...