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Cylinder head nut & washer kit. Porsche 911 1978-89 ❭ 99903109101K
Cylinder head nut & washer kit. Porsche 911 1978-89 - 99903109101K
99903109101K/KIT
产品车辆组
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Cylinder head nut & washer kit.
A complete fastening set of 24 cylinder head nuts and 24 head nut washers used to clamp the cylinder heads and cylinder barrels to the crankcase on classic air-cooled Porsche engines. This kit contains head nuts and "Large style washers"; used for 3.0 SC, 3.2 & 3.3 Turbo engines
Includes:
24 x 90110438204/1 - OE Match Cylinder head nuts
24 x 99903109101/1 - OE Match Head nut washers
Fits:
Porsche 911 1978 - 1989
Diagram ref no 16 and 17
This OE Match kit combines the correct-style M10 cylinder head nuts (OE ref no 90110438202) with the corresponding large head nut washers (OE ref no 99903109101). Together, they provide the correct bearing surface and clamping load distribution required during engine assembly or top-end rebuilds, helping maintain sealing integrity under heat cycling and high operating loads.
Head nuts and washers can suffer from corrosion, rounding, surface wear, and reduced load consistency after multiple rebuilds. Replacing them with OE-match hardware supports accurate torque application and helps maintain long-term clamp load stability - critical for top-end durability.
When to replace:
• During any top-end rebuild or head/cylinder removal
• Nuts show corrosion, damaged hex, or thread wear
• Washers are grooved, distorted, or heat-marked
• You suspect prior incorrect torqueing or hardware reuse history
• Preventive replacement on engines with unknown rebuild history
相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号,供比较之用。
99903109101K
您正在查看的产品与这些编号存在交叉引用关系
A complete fastening set of 24 cylinder head nuts and 24 head nut washers used to clamp the cylinder heads and cylinder barrels to the crankcase on classic air-cooled Porsche engines. This kit contains head nuts and "Large style washers"; used for 3.0 SC, 3.2 & 3.3 Turbo engines
Includes:
24 x 90110438204/1 - OE Match Cylinder head nuts
24 x 99903109101/1 - OE Match Head nut washers
Fits:
Porsche 911 1978 - 1989
Diagram ref no 16 and 17
This OE Match kit combines the correct-style M10 cylinder head nuts (OE ref no 90110438202) with the corresponding large head nut washers (OE ref no 99903109101). Together, they provide the correct bearing surface and clamping load distribution required during engine assembly or top-end rebuilds, helping maintain sealing integrity under heat cycling and high operating loads.
Head nuts and washers can suffer from corrosion, rounding, surface wear, and reduced load consistency after multiple rebuilds. Replacing them with OE-match hardware supports accurate torque application and helps maintain long-term clamp load stability - critical for top-end durability.
When to replace:
• During any top-end rebuild or head/cylinder removal
• Nuts show corrosion, damaged hex, or thread wear
• Washers are grooved, distorted, or heat-marked
• You suspect prior incorrect torqueing or hardware reuse history
• Preventive replacement on engines with unknown rebuild history
相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号,供比较之用。
99903109101K
99903109101
90110438202
99903109101
90110438203
您正在查看的产品与这些编号存在交叉引用关系
关于此套件
该套件包括以下商品:
24 x 气缸盖螺母。保时捷 911 1965-89 / 356 / 912 (90110438204/1
24 x 车头螺母垫圈。保时捷 911 1978-89 (99903109101/1
价格: €152.64
库存
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Information
适用于保时捷排气歧管至气缸盖的高性能螺柱 + 螺母套件。我们的紧固件采用钛合金和 Inconel 合金螺柱、航空锁紧螺母以及经过深思熟虑且平衡的金属和镀层/涂层组合,性能优于传统紧固件。它们永远不会氧化,因此在需要时可以轻松拧开。
#银湖#
新型超高性能产品
• 采用钛合金 Ti6Al4V 技术
• 极高的感知质量
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適用於:
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保时捷 981
保时捷 718 GT4
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SL-TI-18
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#银湖#
新型超高性能产品
• 采用钛合金 Ti6Al4V 技术
• 极高的感知质量
包含18 个螺柱、螺母和垫圈
適用於:
保时捷 996 Turbo / GT3 / GT2
保时捷 997 Turbo / GT3 / GT2
保时捷 997.2 全部
保时捷 991 全部
保时捷 992 全部
保时捷 987 2009-12
保时捷 981
保时捷 718 GT4
相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号,供比较之用。
SL-TI-18
90037813100
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价格: €271.80
库存
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Information
这些钛合金部件具有防锈和防腐蚀性能,而防锈和防腐蚀是传统钢制螺栓和螺母的常见问题。这种防腐蚀性能可确保螺栓和螺母保持完整性,必要时可轻松拆卸和安装。对于需要轻松接触车辆排气系统的保时捷爱好者来说,它们是完美的升级产品。
#罗勒#
• 超高性能产品
• 使用钛合金 Ti6Al4V 技术
包含18 个螺柱(38 毫米)、螺母和垫圈
適用於:
保时捷 996 Turbo / GT3 / GT2
保时捷 997 Turbo / GT3 / GT2
保时捷 997.2 全部
保时捷 991 全部
保时捷 992 全部
保时捷 987 2009-12
保时捷 981
保时捷 718 GT4
相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号,供比较之用。
TITANSTUDS18
您正在查看的产品与这些编号存在交叉引用关系
#罗勒#
• 超高性能产品
• 使用钛合金 Ti6Al4V 技术
包含18 个螺柱(38 毫米)、螺母和垫圈
適用於:
保时捷 996 Turbo / GT3 / GT2
保时捷 997 Turbo / GT3 / GT2
保时捷 997.2 全部
保时捷 991 全部
保时捷 992 全部
保时捷 987 2009-12
保时捷 981
保时捷 718 GT4
相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号,供比较之用。
TITANSTUDS18
90037813100
90037822709
99907507400
90037822701
99907353501
99907507400
99907353501
99907507400
您正在查看的产品与这些编号存在交叉引用关系
价格: €174.00
库存
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全球配送
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