Cylinder head nuts and washers (set of 48 parts) Porsche 911 65-77 / 914-6  ❭  99903108302

Cylinder head nuts and washers (set of 48 parts)
This OE Match kit is a complete cylinder head fixing set consisting of 24 washers and 24 nuts. It is designed for use during cylinder head assembly, engine rebuilding, or restoration where the listed part numbers are specified.
Sold as a complete 48-piece set containing 24 washers and 24 cylinder head nuts

Fits:
Porsche 911 1965 - 1977
Porsche 930 Turbo 1975 - 1977
Porsche 914-6 

Diagram ref no 17

The cylinder head nuts and washers secure the cylinder heads correctly to the engine studs. The washers help distribute clamping load beneath the nuts, while the nuts provide the required fastening force to hold the cylinder heads securely in position.

Functions:
•  Replaces cylinder head nuts and washers
•  Complete 48-piece set
•  Includes 24 cylinder head washers
•  Includes 24 cylinder head nuts
•  Helps distribute cylinder head clamping load correctly
•  Supports secure cylinder head installation
•  Suitable for engine rebuilding and restoration

Why Replace This Set?
Cylinder head nuts and washers are subjected to high clamping loads, repeated heat cycles, corrosion, and long-term engine use. During an engine rebuild, old hardware may show wear, corrosion, damaged threads, or surface deterioration. Replacing the complete set helps provide consistent hardware condition throughout the cylinder head assembly.

When to Replace This Set
•   Cylinder heads are being removed or refitted
•   Engine rebuild or top-end overhaul is being carried out
•   Existing nuts or washers are corroded or damaged
•   Threads are worn or compromised
•   Cylinder head studs are being replaced or serviced
•   Engine restoration is in progress
•   Correct replacement hardware is required for reassembly.

Where it fits on the car
This set fits within the engine cylinder head assembly, securing the cylinder heads to the engine studs.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99903108302

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