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Piston Rings

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DISPLAYING 1 to 7 (of 7 products)
0081186RJE
Product Information
Product Information
This is a brand new set of 4 Hastings 86mm Piston Rings.

oematch

Fits: Porsche 356 / 912
Ring Size: 1.5 x 1.5 x 3.0
Number of CYL's: 4

This is the replacement ring set for Retro Performance (0081186PJE), (0081186CJE), (0081186AJE), (0081186BJE) and (0081186JEP) Kits.

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Related, superseded, cross reference or alternative numbers for comparison.

0081186RJE
008 11 86RJE
0081186RJE
008 11 86P JE
008 11 86C JE
008 11 86A JE
008 11 86B JE
008 11 86JEP

The product you are viewing cross references to these numbers
0081186R
Product Information
Product Information
This is a brand new set of 4 86mm Piston Rings.

oematch

Fits: Porsche 356/912
Ring Size: 2.0 x 2.0 x 2.0 x 5.0
Number of CYL's: 4

This is a replacement set for Retro Performance (0081186PS) and (0081186PB) Kits.

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Related, superseded, cross reference or alternative numbers for comparison.

0081186R
0081186R
008 11 86R
0081186PB
0081186PS

The product you are viewing cross references to these numbers
61610390705/1
Product Information
Product Information
Piston ring set (standard size, 82.5mm).
1.5 / 2.0 / 4.0

mahle

Fits:
Porsche 356C (1964-65)
Porsche 912 (1966-69)

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Related, superseded, cross reference or alternative numbers for comparison.

61610390705
50401N0
61610390705

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00891180R
Product Information
Product Information
This is a brand new set of Stock Rings with a Chrome top Compression Rings.

oematch

Fits: Porsche 911 1967-68 2.0L
Ring size: 1.5x1.5x4.0
Number of CYL's: 6

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Related, superseded, cross reference or alternative numbers for comparison.

00891180R
00891180R
008 911 80R

The product you are viewing cross references to these numbers
0089118
Product Information
Product Information
This is a brand new set of 4 Hastings Piston Rings.

oematch

Fits: Porsche 911 2.0L
Ring Size: 1.5 x 1.5 x 3.0
Number of CYL's: 6

This is the replacement ring set for Retro Performance 81mm (00891181PJE) and 82.5mm (00891182PJE) Kits.



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Related, superseded, cross reference or alternative numbers for comparison.

0089118
00891181R
008 911 81R
008 911 82R
00891182R
008 911 82P JE
008 911 81P JE

The product you are viewing cross references to these numbers
90110390100/1
Product Information
Product Information
Piston ring set.
6 sets per engine. Price is for 1 set.

mahle

Sizes: 80x1.5mm / 80x2.0mm / 80x4.0mm

Fits:
PORSCHE 911L 2.0 L 01.63 - 08.67 96Kw 130hp
PORSCHE 911T 2.0 T 08.68 - 02.72 81Kw 110hp
PORSCHE 911E 2.0 E 09.68 - 12.69 103Kw 140hp
PORSCHE 911S 2.0 S 07.66 - 11.68 118Kw 160hP
Engine Code: 901.02
PORSCHE 911S 2.0 S 09.68 - 12.69 125kw 170hp

Click 'Zoom' for large parts diagram.
Diagram Ref No 23

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

90110390100
90110390100
503 08N0
50308N0
90110331101

The product you are viewing cross references to these numbers
Special Order item
90110331203
Product Information
Product Information
Piston ring 80mm. Oil scraper ring. Groove 2.

porsche

Fits:
Porsche 911TU 1965-68

Click 'Zoom' for large parts diagram.
Diagram Ref No 23. One ring only. Marked in green.

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

90110331203
90110390100
90110331203
90110331202

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DISPLAYING 1 to 7 (of 7 products)
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About Piston Rings

Piston Rings – Precision Engine Sealing & Performance for Porsche Models

The piston rings in your Porsche engine are critical components that maintain compression, regulate oil consumption, and ensure efficient combustion. Positioned around the pistons, they create a tight seal between the piston and cylinder wall, keeping combustion gases contained while allowing smooth piston movement.

At Design911, we supply a comprehensive range of piston rings designed for both classic and modern Porsche engines. Manufactured from high-strength, heat-resistant materials, these rings deliver exceptional sealing, reduced friction, and long-term reliability. Whether you’re performing a full engine rebuild or a top-end refresh, our quality piston rings are engineered for perfect fitment and optimum performance.

What Do Piston Rings Do?

Piston rings perform three vital functions within the engine:

  • Sealing the combustion chamber – to prevent gas leakage and maintain compression.
  • Controlling oil consumption – by scraping excess oil from the cylinder walls.
  • Conducting heat – transferring it from the piston to the cylinder wall to prevent overheating.

These rings are essential for maintaining engine efficiency, power output, and longevity. Properly functioning piston rings ensure consistent compression, clean emissions, and smooth performance.

Why Do Piston Rings Fail?

Piston rings are subject to intense heat, pressure, and friction. Over time, these conditions can lead to wear, loss of sealing ability, or even engine damage.

Common Causes of Piston Ring Failure Include:

  • Excessive wear or scoring from poor lubrication or debris.
  • Carbon build-up causing sticking or uneven sealing.
  • Overheating that leads to ring warping or loss of tension.
  • Corrosion or fatigue from oil contamination.
  • Improper installation during rebuilds or maintenance.

Symptoms of worn piston rings include blue exhaust smoke, loss of compression, reduced performance, or excessive oil consumption — all signs that replacement is required.

Why Replace Piston Rings?

Replacing worn or damaged piston rings restores compression, improves combustion efficiency, and protects your Porsche engine from further wear. Our high-performance piston rings are built to withstand extreme conditions, ensuring consistent sealing and reduced friction.

Key Benefits:

  • Restores compression and engine power.
  • Reduces oil consumption and exhaust smoke.
  • Improves fuel efficiency and combustion quality.
  • Constructed from durable, heat- and corrosion-resistant alloys.
  • Direct-fit compatibility for a wide range of Porsche models.
  • Ideal for rebuilds, restorations, or performance upgrades.

Investing in premium-quality piston rings ensures lasting performance, smoother running, and optimal engine reliability.

Highlights:

  • Precision-engineered piston rings for Porsche engines.
  • Restores compression, performance, and oil control.
  • Made from high-strength, wear-resistant materials.
  • Perfect fit for classic and modern Porsche models.
  • Essential for rebuilds and long-term engine health.
  • Ensures smooth, efficient combustion and lower emissions.

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