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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
This set of 18 rubber sealing rings (thrust rings) is used in the timing-chain assembly of Porsche 911 (964) and 911 (993) models. Each seal is manufactured to the same dimensions, material quality, and performance standards as the original Porsche part, ensuring perfect OE fit and reliable sealing around the timing-chain cover studs and bolts.
Fits:
Porsche 964 - 1989 to 1994
Porsche 964 turbo 3.6ltr - 1991 to 1994
Porsche 993 - 1994 to 1997
Diagram ref no 17
• Includes: Set of 18 rubber sealing plugs – enough for one vehicle.
• Position: Located on the timing-chain cover / chain case, around stud or bolt interfaces.
• Function: Provides a secure oil-tight seal at the stud/bolt interface, preventing oil leaks and blocking moisture or dirt ingress into the chain case.
Over time, rubber seals can harden or deform from heat and oil exposure, leading to minor leaks or contamination in the chain-case area. Replacing all seals during engine service or overhaul ensures optimal sealing integrity and proper lubrication of timing components.
Recommended Replacement:
• Whenever the timing-chain cover or chain-case is removed or serviced.
• When oil seepage or residue is visible around chain-case bolts or studs.
• During carburettor or gasket replacement, or any full engine rebuild.
• When replacing timing components to ensure complete reassembly sealing.
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This kit is comprised of the following items:
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Typical Applications
Hylomar Gasket 3400 can be used as a gasketing compound between machined surfaces. It is ideal for sealing between mating faces on engines and transmission components where resistance to temperature and vibration are essential.
INSTRUCTIONS FOR USE
Hylomar Gasket 3400 should be applied to clean and dry surfaces, free of contamination such as oil or grease. The compound may be dispensed by hand from cartridge, concertina pack, or via a screen printing system. Once applied the joint should be assembled as soon as practical. Any excess compound can be easily wiped off external surfaces with a clean cloth soaked in Acetone or other suitable solvents.
Typical Physical Properties:
UNCURED PRODUCT
Composition: Methyl-Methacrylate
Colour: Yellow
Viscosity @ 25°C / Brookfield Spindle 6 @ 2.5rpm: 100,000cps
Specific Gravity @ 25°C: 1.10 g/ml
Solvent Content: None
Specific Gravity g/ml @ 25°C: 1.04
Flash Point: >100°C
Shelf Life: 1 Year @ 4° to 25°C
CURED PRODUCT
Handling Time: 40 minutes
Functional Cure Time: 4 – 6 hours
Full Cure Time : 24 – 72 hours
Shear Strength : 1.5 N/mm²
Mild Steel/Mild Steel BS 5350 Part C5
Aluminium/Aluminium BS 5350 Part C5
Temperature Range: -40° to 150°C