fits  57-71 XL900 (NU)

3″ bore. Front/rear use. 0.75mm (.030″) reinforced fiber. Standard thickness. This gasket is made of MotorGasket M0109, a material developed and produced by Athena. MotorGasket M0109 is a high-quality asbestos-free gasket material, consisting of a blend of mineral fibers, aramid fibers, and NBR rubber. It exhibits excellent sealing capabilities with gases and fluids, along with adaptability features, making it suitable for use under moderate pressures. OEM replacement reference 16774-57.

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Home > Parts > Gaskets > Gaskets & Oil Seals > Cylinder Base > Athena, cylinder base gaskets FR/RR. .030″

fits  57-71 XL900 (NU)

3″ bore. 1mm (.040″) thick Blue PTFE coated paper. Standard thickness. This gasket is made of MotorGasket M0115, a material developed and produced by Athena. MotorGasket M0115 consists of a central layer of steel, with asbestos-free material composed of a high percentage of aramid fibers, inorganic inserts, and NBR rubber as a binder on the sides. M0115 has good resistance to mechanical and thermal stresses and adheres well to surfaces. It is resistant to oils, fuels, water-glycol mixtures, and corrosion. It is suitable for cylinder head gaskets in internal combustion engines, intake and exhaust manifolds, and other applications subjected to high mechanical and thermal stress. OEM replacement reference 16769-57.

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Home > Parts > Gaskets > Gaskets & Oil Seals > Cylinder Heads > Athena, cylinder head gasket. 57-71 XL

fits  57-71 XL900 (NU)

3″ bore. With 1mm (.040″) Blue PTFE coated paper cylinder head gaskets and 0.75mm (.030″) reinforced fiber cylinder base gaskets. Includes 0.75mm (.030″) thick fiber reinforced paper primary gasket. Complete with all gaskets, O-rings, seals and primary gaskets required for a complete engine overhaul. OEM replacement reference 17026-71, 17026-71A.

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Home > Parts > Gaskets > Gasket Kits > Engine > Athena, motor gasket & seal kit. XL900

fits  57-71 XL900 (NU)

No oil seals included. 3″ bore. With 1mm (.040″) Blue PTFE coated paper cylinder head gaskets and 0.75mm (.030″) reinforced fiber cylinder base gaskets. Otherwise complete with all gaskets, O-rings and primary gaskets required for a complete engine overhaul. Complete as shown. OEM replacement reference 17026-57.

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Home > Parts > Gaskets > Gasket Kits > Engine > Athena, motor gasket kit (no oil seals). XL900

fits  57-71 XL900 (NU)

3″ bore. With 1mm (.040″) Blue PTFE coated paper cylinder head gaskets and 0.75mm (.030″) fiber reinforced cylinder base gaskets. Includes all other gaskets and seals required for an Ironhead top end rebuild. OEM replacement reference 17030-57.

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Home > Parts > Engine > Top End > Athena, top end gasket kit XL900

fits  57-71 XL900 (NU)

Standard 3.00″ bore. OEM replacement reference 16769-57.

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Home > Parts > Engine > Top End > Cylinder Heads > Cometic, cylinder head gaskets. .032″ copper

fits  57-71 XL900 (NU)

With .032″ copper cylinder head gaskets and .031″ copper cylinder base gaskets. Kit includes all gaskets, seals and o-ring for a complete top end rebuild.

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Home > Parts > Engine > Top End > Cometic, top-end gasket kit. XL900

fits  57-71 XL900 (NU)

With .032″ copper head gaskets & .031″ base gaskets. 3.250″ bore. Complete kit with all gaskets, seals and o-ring that are used on this specific H-D models. Note: Does not include primary gaskets.

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Home > Parts > Gaskets > Gasket Kits > Engine > Cometic, motor only gasket set. XL Sportster

fits  57-71 XL900 (NU)

With 0.045″ PTFE coated head gaskets, 0.030″ paper cylinder base gaskets. Includes all other gaskets and seals required for an Ironhead top end rebuild. OEM replacement reference 17030-57.

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Home > Parts > Gaskets > Gasket Kits > Top End > James, top end gasket kit. XL900

fits  57-71 XL900 (NU)

Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.

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Home > Parts > Engine > Top End > Pistons > Replacement XL 900cc cast piston. +.060″