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OE MATCH

DISPLAYING 1 to 10 (of 10 products)
00891186SCP
Product Information
Product Information
This is a new set of 86mm Porsche 911 2.2/2.4L CP Pistons with Biral cylinders.

oematch

CP Forgings are made from 2618 Aluminium, They have a 0 offset with extra material under the top for the valve pockets, CP kits come with wirelock pin clips for extreme RPM. Biral Liners are a cast iron sleeve with aluminium fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: CP 2618 Forged
Dome Height: .450
Compression: 9.5:1/10.7:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and wirelocks with tool.

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Related, superseded, cross reference or alternative numbers for comparison.

00891186SCP
008 911 86S CP
00891186SCP

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00891186SJE
Product Information
Product Information
This is a new set of 86mm Porsche 911 2.2/2.4L High compression JE Pistons with Biral cylinders.

oematch

The Compression ratios are 10.5:1 with the 66mm crank and 11.2:1 with the 70.4mm. JE Forgings are made from 2618 Aluminium, They have a 0 offset with extra material under the top for the valve pockets. Biral Liners are a cast iron sleeve with aluminium fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: JE 2618 Forged
Dome Height: .450
Compression: 10.5:1/11.2:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

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Related, superseded, cross reference or alternative numbers for comparison.

00891186SJE
008 911 86S JE
00891186SJE

The product you are viewing cross references to these numbers
00891186EJE
Product Information
Product Information
This is a new set of 86mm Porsche 911 2.2/2.4L low compression JE Pistons with Biral cylinders.

oematch

The Compression ratios are 9.2:1 with the 66mm crank and 9.5:1 with the 70.4mm. JE Forgings are made from 2618 Aluminium, They have a 0 offset with extra material under the top for the valve pockets. Biral Liners are a cast iron sleeve with aluminium fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: JE 2618 Forged
Dome Height: .300
Compression: 9.2:1/9.5:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

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

00891186EJE
008 911 86E JE
00891186EJE

The product you are viewing cross references to these numbers
0089118
Product Information
Product Information
Cylinder Kit, Biral. 
Restore engine performance while benefiting from enhanced cooling with this OE Match Biral Cylinder Kit. Produced to OE-style specifications, this premium Biral cylinder kit is designed for compatible Porsche applications using the same engine platform where applicable. Featuring cast iron cylinder liners permanently bonded to aluminium cooling fins, the Biral construction combines outstanding wear resistance with superior heat dissipation for improved thermal stability and long engine life. Precision manufactured for accurate fitment and dependable sealing, this kit is ideal for engine rebuilds, maintenance, performance upgrades, and concours-quality restoration projects.

Fits:
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

The cylinder kit forms the combustion chamber walls and provides the precision-machined surfaces required for the pistons and piston rings to achieve efficient compression and combustion. Compared with conventional cast iron cylinders, Biral cylinders offer significantly improved cooling characteristics while retaining excellent wear resistance. Over time, repeated heat cycles, piston movement, and normal engine wear can cause cylinder bores to become worn, tapered, scored, or distorted, resulting in reduced compression, increased oil consumption, and declining engine performance. Replacing worn cylinders restores engine efficiency while benefiting from the superior cooling properties of Biral construction.  

What This Product Does:
  • Provides precision-machined cylinder bores for the pistons.
  • Restores engine compression and combustion efficiency.
  • Combines cast iron wear resistance with aluminium cooling.
  • Improves heat dissipation for stable engine temperatures.
  • Supports correct piston and piston ring operation.
  • Reduces oil consumption caused by worn cylinder bores.
  • Replaces worn, scored, or damaged cylinders.
  • Provides an OE-style fit for straightforward engine rebuilding.

Symptoms Of Wear Or Failure:
  • Low engine compression.
  • Excessive oil consumption.
  • Blue exhaust smoke caused by oil burning.
  • Loss of engine power or performance.
  • Excessive crankcase blow-by.
  • Scored, worn, or tapered cylinder bores.
  • Piston slap or abnormal engine noise.
  • Damage identified during engine overhaul.

Why Replacement Matters:

  • The cylinders are fundamental to maintaining engine compression, efficient combustion, and reliable piston movement. As cylinder bores wear, engine compression decreases, oil consumption rises, and internal engine wear accelerates. Biral construction offers the added benefit of improved cooling performance while maintaining durable cast iron running surfaces, helping to reduce operating temperatures and improve long-term engine reliability.
  • Replacing worn cylinders with this OE Match Biral Cylinder Kit restores compression, improves cooling efficiency, reduces oil consumption, and supports dependable engine performance. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Biral Cylinder Kit provides reliable fit, performance, and durability for classic Volkswagen and compatible Porsche engine maintenance, repairs, performance upgrades, and restoration projects.



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

0089118
008 911 84BL
00891184BL
008 911 86BL
00891186BL

The product you are viewing cross references to these numbers
00891184SJE
Product Information
Product Information
JE Forged Piston & Cylinder Kit 84 mm for Porsche 911 2.2 / 2.4

oematch

Description:
This is a new set of 84mm Porsche 911 2.2/2.4L High compression JE Pistons with Biral cylinders. The Compression ratios are 10.1:1 with the 66mm crank and 10.6:1 with the 70.4mm. JE Forgings are made from 2618 Aluminium, They have a 0 offset with extra material under the top for the valve pockets. Biral Liners are a cast iron sleeve with aluminium fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads

Engine size: 2.2 / 2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: JE 2618 Forged
Compression: 10.1:1/10.6:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

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

00891184SJE
008 911 84S JE
00891184SJE

The product you are viewing cross references to these numbers
00891184S
Product Information
Product Information
This is a new set of 84mm Porsche 911 2.2/2.4L High compression pistons with Biral cylinders. The Compression ratios are 9.1:1 with the 66mm crank and 9.7:1 with the 70.4mm.

oematch

The Cylinders are Biral with Graphite Coated Hypereutectic pistons with valve pockets, and the 22mm Pin. Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads.

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: Hypereutectic
Dome Height:
Compression: 9.1:1/9.7:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

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

00891184S
008 911 84S
008 911 84S

The product you are viewing cross references to these numbers
00891184E
Product Information
Product Information
This is a new set of 84mm Porsche 911 2.2/2.4L low compression Pistons with Biral cylinders. The Compression ratios are 8.5:1 with the 66mm crank and 9.1:1 with the 70.4mm.

 
oematch

The Cylinders are Biral with Graphite Coated Hypereutectic pistons with valve pockets, and the 22mm Pin. Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads.

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: Hypereutectic
Dome Height:
Compression: 8.5:1/9.1:1

Kit includes 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.



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

00891184E
00891184E
008 911 84E

The product you are viewing cross references to these numbers
00891186S
Product Information
Product Information
This is a new set of 86mm Porsche 911 2.2/2.4L High compression pistons with Biral cylinders. The Compression ratios are 9.5:1 with the 66mm crank and 10.7:1 with the 70.4mm.

oematch

The Cylinders are Biral with Graphite Coated Hypereutectic pistons with valve pockets, and the 22mm Pin. Biral Liners are a cast iron sleeve with aluminum fins, making them lighter and dissipate heat better. This kit requires no machine work, when installing in factory Porsche case & heads.

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Cylinders: Biral.
Pistons: Hypereutectic
Dome Height:
Compression: 9.5:1/10.7:1

Kit includes: 6 Cylinders, 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

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

00891186S
00891186S
008 911 86S

The product you are viewing cross references to these numbers
0089118
Product Information
Product Information

Cast Piston Set – 84mm & 86mm

Rebuild or upgrade your classic Porsche 911S engine with this OE Match Cast Piston Set, available in 84mm and 86mm bore sizes with a choice of compression specifications.
 
Fits:

  • Porsche 911 1968-1973 2.2L / 2.4L  LWB (F)  

Manufactured from hypereutectic material, these pistons feature graphite coated skirts to help reduce friction and wear. Integrated valve pockets provide the required valve clearance, while 22mm wrist pins complete the piston assembly.

Designed for Porsche 911S 2.2 and 2.4-litre engine configurations using 66mm or 70.4mm crankshaft strokes, these piston sets offer several compression options to suit different engine builds.

Piston & Compression Options

84mm – Low Compression
8.5:1 compression with 66mm crank
9.1:1 compression with 70.4mm crank

84mm – High Compression

9.1:1 compression with 66mm crank
9.7:1 compression with 70.4mm crank

86mm – High Compression
9.5:1 compression with 66mm crank
10.7:1 compression with 70.4mm crank

Why Choose Hypereutectic Pistons?

Hypereutectic pistons provide excellent dimensional stability, durability and controlled thermal expansion, making them well suited to classic Porsche engine rebuilds.

Benefits include:

  • Durable hypereutectic construction
  • Graphite coated skirts to reduce friction
  • Integrated valve pockets
  • 22mm wrist pins
  • Low and high compression options
  • 84mm and 86mm bore options
  • Suitable for 2.2 and 2.4-litre engine builds

Kit Includes

  • 6 pistons
  • Complete set of piston rings
  • 6 x 22mm wrist pins
  • Wrist pin clips

Porsche 911S 2.2 / 2.4 Engine Rebuild Pistons

Choosing the correct piston specification is essential when rebuilding a classic Porsche 911S engine. Bore size, crankshaft stroke and compression ratio directly influence engine capacity and performance.

These OE Match piston sets provide 84mm low and high compression options alongside an 86mm high compression version, allowing the piston specification to be matched to compatible 66mm or 70.4mm crankshaft engine builds.



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

0089118
008 911 86P
008 911 84SP
008 911 84EP
00891186P
00891184SP
00891184EP

The product you are viewing cross references to these numbers
0089118
Product Information
Product Information
This is a new set of 6 JE Pistons.

oematch

JE Forgings are made from 2618 Aluminum, They have a 0 offset with extra material under the top for the valve pockets.

Fits: Porsche 911S 2.2L / 2.4L

Engine size: 2.2/2.4L
Stroke: 66/70.4mm
Pistons: JE 2618 Forged

Kit includes: 6 Pistons, A set of Piston Rings, and 6 wrist pins and clips.

OPTIONS:
1. 84mm - High compression
The Compression ratios are 10.1:1 with the 66mm crank and 10.6:1 with the 70.4mm.
2. 86mm - Low compression
The Compression ratios are 9.2:1 with the 66mm crank and 9.5:1 with the 70.4mm.
3. 86mm - High compression
The Compression ratios are 10.5:1 with the 66mm crank and 11.2:1 with the 70.4mm.

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

0089118
008 911 84P JE
008 911 86EP JE
008 911 86SP JE
00891184PJE
00891186EPJE
00891186SPJE

The product you are viewing cross references to these numbers
DISPLAYING 1 to 10 (of 10 products)
About OE MATCH

OE Match Replacement Engine Pistons – Precision Fit and Reliability for Porsche Engines

The pistons are the driving force behind every Porsche engine, converting combustion pressure into the rotational energy that powers your car. Over time, heat, friction, and high RPM operation can cause wear and damage, leading to reduced efficiency and performance. Replacing worn pistons with OE Match precision-engineered components restores your engine’s original responsiveness, balance, and compression integrity.

At Design911, we offer a comprehensive range of OE Match replacement pistons crafted to the same dimensions, materials, and performance standards as original components. Each piston is precision-machined from high-strength aluminium alloy, providing excellent heat dissipation, reduced friction, and reliable operation in both naturally aspirated and turbocharged engines.

These high-quality pistons deliver the perfect balance of performance, longevity, and affordability — making them ideal for rebuilds, restorations, or preventative maintenance.

What Do OE Match Engine Pistons Do?

Pistons are the heart of your engine’s combustion cycle, compressing the air-fuel mixture and transferring the resulting explosion’s energy through the connecting rods to the crankshaft.

Core Functions:

  • Convert combustion energy into motion, powering the crankshaft.
  • Maintain consistent compression for efficient combustion.
  • Seal the combustion chamber, preventing oil contamination or pressure loss.
  • Contribute to power delivery, fuel economy, and engine smoothness.

A set of well-balanced pistons ensures smooth performance, optimal efficiency, and reduced wear across your Porsche’s engine.

Why Do Pistons Fail?

Even the most robust pistons degrade over time due to the extreme stresses inside a high-performance engine. Heat, contamination, and poor lubrication are the primary culprits behind piston wear and failure.

Common Causes of Piston Failure Include:

  • Scuffing and scoring from oil starvation or contaminated lubrication.
  • Cracking or pitting caused by detonation or overheating.
  • Worn piston rings leading to oil consumption and compression loss.
  • Carbon build-up, reducing sealing efficiency and combustion quality.
  • Incorrect clearances during rebuilds or installation.

Replacing worn pistons ensures your Porsche’s engine maintains proper compression, smooth power delivery, and long-term reliability.

Why Replace with OE Match Pistons?

Choosing OE Match replacement pistons guarantees consistent fit, performance, and longevity while maintaining the authentic driving feel of your Porsche. These components are designed for direct installation without modification and are ideal for daily-driven, performance, or restoration projects.

Key Benefits:

  • Restores original engine compression and performance.
  • Ensures perfect fitment with no modifications required.
  • Reduces oil consumption and improves fuel efficiency.
  • Crafted from heat-treated aluminium alloy for strength and lightness.
  • Ideal for rebuilds and long-term engine maintenance.
  • Delivers smooth, quiet operation and precise tolerances for reliability.

Whether rebuilding a classic 911 or refreshing a modern Cayman, these pistons deliver precision-engineered performance with manufacturer-level accuracy.

Highlights:

  • High-quality OE Match replacement pistons for Porsche engines.
  • Precision-machined for perfect tolerances and fitment.
  • Manufactured from high-strength aluminium alloy.
  • Restores engine compression, efficiency, and smooth performance.
  • Compatible with both classic air-cooled and modern water-cooled models.
  • Ideal for professional rebuilds, tuning, and restorations.

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