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- Porsche 356 1950-55
Restore effective cylinder sealing, compression, and oil control during an engine rebuild with this OE Match Hastings 80mm Piston Ring Set, reference 0081180R. Designed for compatible 80mm piston and cylinder applications, this ring set provides a high-quality replacement for worn, damaged, or sticking piston rings and is suitable for engine rebuild, restoration, and repair applications.
Fits: Porsche 356 Pre A
Ring size: 3.0 x 3.0 x 5.0
Number of CYL's: 4
Hastings piston rings are designed to provide effective sealing between the piston and cylinder wall. The compression rings help contain combustion pressure above the piston, reducing the amount of combustion gas that escapes into the crankcase. The oil-control rings regulate the lubricating oil film on the cylinder walls, removing excess oil while retaining sufficient lubrication for smooth piston movement. Piston rings also assist with transferring heat from the pistons into the cylinder walls.
What This Product Does:
- Creates an effective seal between the pistons and cylinder walls.
- Is designed for compatible 80mm piston applications.
- Helps retain combustion pressure within each cylinder.
- Supports strong and consistent engine compression.
- Reduces combustion gas leakage into the crankcase.
- Helps minimise excessive engine blow-by.
- Controls the lubricating oil film on the cylinder walls.
- Helps prevent excessive engine oil from entering the combustion chambers.
- Assists with transferring piston heat into the cylinder walls.
- Supports efficient combustion and dependable engine performance.
- Replaces worn, damaged, broken, or sticking piston rings.
Symptoms Of Wear Or Failure:
- Low or uneven cylinder compression.
- Excessive engine oil consumption.
- Blue or blue-grey smoke from the exhaust.
- Excessive crankcase pressure or blow-by.
- Reduced engine power or poor acceleration.
- Increased exhaust emissions.
- Oil-fouled spark plugs.
- Carbon deposits within the combustion chambers.
- Poor compression or leak-down test results.
- Excessive oil entering the combustion chambers.
- Broken, worn, seized, or damaged rings found during engine disassembly.
- Excessive cylinder bore or piston ring-groove wear.
Why Replacement Matters:
- Piston rings are essential for maintaining the cylinder sealing required for efficient compression and combustion. As rings wear, become damaged, or lose their tension, combustion gases can escape past the pistons into the crankcase. This can result in reduced compression, loss of engine performance, and excessive blow-by.
- Worn oil-control rings can also allow excessive lubricating oil into the combustion chambers, resulting in increased oil consumption, blue exhaust smoke, spark plug fouling, carbon deposits, and increased emissions. Continued operation with poor piston ring sealing can contribute to accelerated wear of the pistons, cylinders, and other internal engine components.
- Correct sizing and installation are especially important when fitting replacement rings. The 80mm specification must be correctly matched to the intended pistons and cylinder bores. Incorrect ring dimensions, excessive or insufficient end gaps, worn piston grooves, or an unsuitable cylinder surface finish can prevent the new rings from sealing correctly and may lead to premature wear or engine damage.
- Replacing worn or damaged components with this OE Match Hastings 80mm Piston Ring Set 0081180R helps restore cylinder sealing, compression, oil control, and dependable engine performance when installed as part of a correctly measured and prepared engine rebuild.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0081180R
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
6 sets per engine. Price is for 1 set.
Fits:
Porsche 996 3.6L 002>>
M96.03 Engine ø96 mm, Ring 1,20 x 1,50 x 2,00mm
997 3.6L M96.05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610305304
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
6 sets per engine. Price is for 1 set.
These are better than the original & have been tested by many engine rebuilds.
Top Ring and Bottom rings = Stainless CAS Nitrided
Middle Ring = Cast Iron
Fits:
Porsche 997 3.8L M97.01
ø99 mm, Ring 1,20 x 1,50 x 2,00 mm
Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710305305
The product you are viewing cross references to these numbers
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
SET OF 6
Size : 105,4 mm
Ring Thickness :
- Top Ring : 1,09 mm
- 2nd : 1 mm
- Oil-Ring : 2 mm
In motorsport, small things often decide about victory or defeat.
In particular, piston rings are among the engine components whose importance is frequently underestimated. In many cases, piston rings of poor quality are responsible for engine damage and / or poor performance.
Capricorn ensures that all parameters are optimally coordinated with each other. The manufacture is exclusively carried out by the most prestigious suppliers with whom they have been successfully cooperating for years and who all have many years of experience in motorsports.
The successful use of Capricorn piston rings in a various racing series and thus changing requirements profiles is an expression of extensive expertise and high product quality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PRS105
The product you are viewing cross references to these numbers