Part 1 · Know your J/80
Mast
The mast supports the sails and standing rigging. Match replacement spars and fittings to the installed J/80 mast.
Example from our catalog
Sparcraft J80 Mast Complete
Find parts on your J/80 Close guideOpen guide
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J/80 · Illustrated guideEnlarge diagram
Illustration based on the J/Boats J/80 plan. The asymmetric spinnaker is not shown; the bowsprit is extended for identification.
Rig details
Scroll sideways to explore the numbered points, or choose a part below.
J/80 · Illustrated guideEnlarge diagram
Illustration based on the J/Boats J/80 plan. The bowsprit is shown extended for identification. Hardware arrangements vary between boats.
Cockpit details
Scroll sideways to explore the numbered points, or choose a part below.
J/80 · Illustrated guideEnlarge diagram
Illustration adapted from the Harken J/80 layout. Repeated fittings share a selector. This is a location guide; installed arrangements may vary.
Deck details
Scroll sideways to explore the numbered points, or choose a part below.
J/80 · Illustrated guideEnlarge diagram
Illustration based on the J/Boats J/80 plan. Repeated fittings share a selector; selecting it highlights their locations.
Part 2 · Know your J/80
Mainsail
The mainsail sits behind the mast. Confirm the sail specification, measurement and class requirements before ordering.
View catalog examplePart 3 · Know your J/80
Jib
The forward headsail works with the forestay and furling system. Check the luff attachment, dimensions and racing requirements.
Explore JibPart 4 · Know your J/80
Standing rigging
Shrouds and stays support the mast. Match wire lengths, terminals and adjusters to the boat and mast configuration.
View standing riggingPart 5 · Know your J/80
Boom
The boom supports the foot of the mainsail and carries its controls. Check section, length and attachment fittings.
View J/80 boom & mainsheet optionsPart 6 · Know your J/80
Rudder
The transom-mounted rudder steers the boat. Match the blade and fittings to the J/80 steering assembly.
View J/80 rudder & steeringPart 7 · Know your J/80
Fixed keel
The fixed ballast keel provides lateral resistance and stability. Hull and keel work requires parts matched to the boat; contact us about the required component.
Browse J/80 fixed keel partsPart 8 · Know your J/80
Retractable bowsprit
The bowsprit carries the tack of the asymmetric spinnaker. Check tube dimensions, support bearings and deployment fittings; the spinnaker is not shown.
Explore Retractable bowspritPart 9 · Know your J/80
Backstay system
The adjustable backstay supports the mast from the stern. Compare the wire, bridles and control arrangement on the boat.
View J/80 backstay optionsPart 10 · Know your J/80
Boom-mounted mainsheet block
The upper block connects the mainsheet purchase to the boom. Match the pendant attachment, sheaves, becket and working load.
View fiddle blocksPart 11 · Know your J/80
Mainsheet traveler
The traveler moves the lower mainsheet attachment across the cockpit. Car, track and control fittings must work together.
View traveler carsPart 12 · Know your J/80
Boom vang
The vang controls boom rise. Match the complete purchase, attachment points and load rating to the installed system.
Explore Boom vangPart 13 · Know your J/80
Gooseneck
This joint connects the boom to the mast. Match the mast fitting, boom end, pin diameter and articulation.
Explore GooseneckPart 14 · Know your J/80
Shroud terminals & chainplates
The shroud terminals connect to structural fittings at the deck. Identify the exact terminal, pin and chainplate required before replacement.
Explore Shroud terminals & chainplatesPart 15 · Know your J/80
Jib furler
The furler rotates the jib around the forestay. Match the drum, headstay, foil and connecting hardware as one system.
View J/80 furling optionsPart 16 · Know your J/80
Primary winches
The primary winches handle loaded sheets. Compare the drum, gearing, mounting footprint and servicing parts.
View standard winchesPart 17 · Know your J/80
Stanchions & lifelines
Stanchions support the side lifelines. J/80 versions differ; compare height, base geometry and the lifeline arrangement.
View J/80 deck hardwarePart 18 · Know your J/80
Tiller & extension
The tiller connects to the rudder head and carries the extension. Check attachment dimensions, length and the extension joint.
View J/80 steering optionsPart 19 · Know your J/80
Backstay wire blocks
The paired wire blocks run on the split backstay. Use blocks designed for the actual wire or line and match the required loads.
View wire blocksPart 20 · Know your J/80
Backstay purchase block
The upper purchase block sits below the backstay ring. Match the sheave count, attachment and working load of the existing tackle.
View double blocksPart 21 · Know your J/80
Boom pendant & upper fiddle
The pendant suspends the upper mainsheet fiddle from the boom. The upper block includes an attachment for the sheet end in this arrangement.
View fiddle blocksPart 22 · Know your J/80
Lower mainsheet fiddle
The lower fiddle connects the mainsheet purchase to the traveler car. Match its connection, sheave sizes and working load.
View fiddle blocksPart 23 · Know your J/80
Mainsheet ratchet block
The ratchet block controls the loaded sheet before it reaches the cleat. Compare grip, operation, rope size and working load.
View ratchet blocksPart 24 · Know your J/80
Mainsheet swivel cleat base
The rotating base presents the mainsheet cleat to the trimmer. Check the block connection, cleat height, rotation and mounting footprint.
View swivel cleat basesPart 25 · Know your J/80
Traveler car
The car carries the lower mainsheet block. Match the track profile, bearing system, attachment and working load.
View traveler carsPart 26 · Know your J/80
Traveler track
The transverse track guides the traveler. Confirm the profile, supported span, fasteners and compatible car.
View traveler tracksPart 27 · Know your J/80
Traveler car control blocks
The paired blocks on the car redirect its control lines. Match the attachment pin, line size and control purchase.
View single blocksPart 28 · Know your J/80
Traveler end controls
The end blocks, dead-end fittings and stops work together with the traveler controls. Check each fitting against the installed track and line route.
View tracks & end fittingsPart 29 · Know your J/80
Control cam cleats
The side-deck cam cleats hold the traveler and backstay controls. Match the rope diameter, fairlead, fastener spacing and release angle.
View cam cleatsPart 30 · Know your J/80
Backstay deck turning blocks
These paired stand-up blocks redirect the backstay controls toward the sides. Match the deck attachment and load direction.
View single blocksPart 31 · Know your J/80
Backstay side-deck blocks
The cheek blocks turn the backstay controls toward their cleats. Check sheave size, fastener spacing and the installed line route.
View cheek & foot blocksPart 32 · Know your J/80
Lower backstay purchase block
This lower block returns the control line within the backstay purchase. Match the swivel attachment, line size and working load.
View single blocksPart 33 · Know your J/80
Tiller & rudder head
The tiller runs forward from the transom-mounted rudder head. Match the tiller connection, extension and steering fittings.
View J/80 steering optionsPart 34 · Know your J/80
Traveler assembly
The traveler crosses the cockpit. Match the car and track before choosing blocks, end controls or other service parts.
View traveler carsPart 35 · Know your J/80
Primary winches
The primary winches sit on both sides of the cockpit. Compare the existing units and required mounting footprint.
View standard winchesPart 36 · Know your J/80
Jib tracks & lead cars
The paired jib tracks position the sheet leads. Check track section, lead-car fit and the required sheet angle.
View tracks & lead fittingsPart 37 · Know your J/80
Companionway & sliding hatch
The sliding hatch and drop board close the cabin entrance. Match the opening, runners and boat version.
View catalog examplePart 38 · Know your J/80
Mast base & partners
The mast base and deck partners support and locate the mast. Check the mast section, boot and fittings on the boat.
View J/80 mast & deck hardwarePart 39 · Know your J/80
Forward cabin hatch
The forward hatch provides light and ventilation. Measure the opening and frame before selecting a replacement or seal.
View catalog examplePart 40 · Know your J/80
Jib furler & headstay attachment
The headstay and furler meet at the bow. Match the attachment, drum and forestay components to the installed system.
View J/80 furling optionsPart 41 · Know your J/80
Bowsprit & deployment fittings
The retractable bowsprit extends ahead of the bow. Match the tube, bearings, end fitting and deployment arrangement.
Explore Bowsprit & deployment fittingsPart 42 · Know your J/80
Bow & stern pulpits
The pulpit rails carry the end connections of the lifelines. Check the boat version, rail shape, height and mounting bases.
Explore Bow & stern pulpitsPart 43 · Know your J/80
Stanchions & lifelines
The side stanchions support the lifelines. US and European styles can differ; compare the existing fittings before ordering.
View J/80 deck hardwarePart 44 · Know your J/80
Aft spinnaker sheet blocks
These blocks sit outboard of the winches and farther aft, redirecting the spinnaker sheets. Positions vary; match the attachment, working load and rope diameter.
View single blocksPart 45 · Know your J/80
Coachroof controls
Controls near the companionway serve the sail and spar systems. Identify the line function and existing fitting before selecting cleats, fairleads or blocks.
View J/80 deck hardware
