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JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines
JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines

Product Features


• Ultra-high performance forged piston set

• Optional bore sizing

• Includes JE Pro Seal piston rings

• Includes wrist pins and pin locks

• No dish deburring or preperation needed

• Individually prepared inspection report of dimensional conformity

• Each piston individually serialized for complete traceability

• 23-point post-production inspection conducted by certified personnel

• Tighter tolerances on 14 critical areas of the piston

• All critical surfaces machined in dedicated Critical Manufacturing Cell

JE Forged Piston Sets | Fits Audi RS2 5 Cylinder Engines

Building a high powered engine for road race, drag race, or full out competition racing? JE Pistons for your 5 cylinder Audi RS2 engine offer the ultimate in strength and reliability in a forged piston for your VW/Audi race engine.

Availability: In stock

As low as: $749.99

SKU: JE-RS2

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Price as configured: $0.00

Product Summary

INCLUDED IN PISTON SET

  • 5X JE forged pistons
  • 5X JE Pro Seal piston rings sets
  • 5X JE straight wall carbon steel wrist pins
  • 10X JE wrist pin wire locks

 

 

COMPRESSION RATIO

All JE 5 cylinder piston sets for the Audi RS2 engine are standard in 8.5:1 compression ratios. This lower compression ratio is a perfect match for engine builds running high boost, high torque, or race fuels/nitrous requiring this type of forged piston. The lower compression allows more boost and timing with less chance of cylinder detonation on proper tuning.

 

 

BORE SIZE

JE offers your choice of bore size to suit your build. You have the option of stock bore sizing (81mm) or .5mm oversized bore (81.5mm). Overbore pistons require additional machine work including a cylinder bore and hone. This work must be performed by a machine shop. For most performance engine builds, we recommend overboring the engine block when installing aftermarket pistons. This additional work ensures a proper piston to wall clearance and in most cases results in stronger compression, longer piston life, increased ring life, and quieter piston operation.

 

 

OPTIONAL PISTON UPGRADES

JE Tuff Skirt coating upgrade 

JE's race bred Tuff Skirt coating is self lubricating and provides improved anti-friction and reduced wear. This coating is applied to the piston skirt designed to increase piston life and withstand many different types of endurance racing. Coating upgrades are non-stock and manufactured by order, all coatings have a 2-3 week lead time. 

 

JE thermal barrier crown coating upgrade

The thermal barrier crown coating is applied to the piston dome, designed to reflect heat into the combustion chamber.  This increases exhaust gas velocity, greatly improves scavenging potential, and extends piston life by decreasing the rate of thermal transfer. Coating upgrades are non-stock and manufactured by order, all coatings have a 2-3 week lead time. 

 

 

TECHNICAL FEATURES

Forged from 2618 T6 aluminum

Engineered for extreme operating environments found in professional motorsport competition, JE manufactures this light yet strong piston from high tensile strength 2618 T6 aluminum. This high performance alloy is suited for use with high compression ratios, high boost levels, and high octane useage tolerating acceleration forces of more than 8000 G's and directional changes exceeding 200 times a second, while minimizing weight. This reliable forging is the ultra-high performance choice when building a competition or very high powered boosted engine exceeding street power levels.

 

Optimized dish & dome design

The piston dish and dome have been individually designed to the combustion chamber of each individual application. Special care has been taken to provide properly placed valve reliefs as needed and feature smooth flowing radii across the surface for excellent flame travel. Designed and verified in JE's dedicated Critical Manufacturing Cell, providing reliable compression ratios and combustion characteristics.

 

JE Pro Seal piston rings

Every JE piston set includes a complete set of performance matching JE Pro Seal Piston Rings. JE Pro Seal rings are the result of over 60 years of experience in manufacturing racing piston technology such as NASCAR, ALMS, NHRA, and AMA. Pro Seal Ring features barrel-faced top rings made with premium ductile iron, plasma-moly inlays on the ring face combining nickel, chrome, and other trace elements. The second ring sets are taper-faced with a reverse torsional design and finished with a phosphate coating. These high-technology designs reduce friction, lower wear, improve ring seal, and extending ring life.

 

World class manufacturing and quality control

Meeting the extreme demands of today's ultra-performing race teams, JE Pistons are engineered, manufactured, and verified using during a Critical Process Program unique to JE. All critical surfaces are machined in a dedicated manufacturing cell resulting in tighter tolerances on 14 critical areas. 23-point quality inspection in an environmentally controlled lab, maintained at a constant 68 degrees with 40% relative humidity. This ensures consistent and exact measurements and guarantees dimensional conformity. Each piston is serialized and tracked, you can rest assured your piston set is ready to use right out of the box!  

 

JE wrist pins

All JE piston sets offered by IE include the wire locks and ship standard with straight wall carbon steel wrist pins. The included wrist pin is recommended for performance engines not exceeding 125HP per cylinder. For engines exceeding this power output, we highly recommend upgrading to JE's Tool Steel Wrist Pins when ordering.

 

 

TECHNICAL DIMENSIONS

Stock bore size:

  • Bore: 81mm
  • Stroke: 86.4mm
  • Rod size: 144X20
  • Dome CC: -7.6
  • Weight: 284 grams

+.5mm bore size:

  • Bore: 81.5mm
  • Stroke: 86.4mm
  • Rod size: 144X20
  • Dome CC: -8.3
  • Weight: 291 grams

 

 

CUSTOM PISTONS

Don't see what you're looking for? If the options for compression ratio or bore sizing does not meet your build requirements, an IE customer service associate can help you custom order a JE piston to your specs. Contact sales@performancebyie.com to get started! 
Custom pistons include a price surcharge and are made to order, expect a 4-6 week lead time. 

VEHICLE FITMENT



  • Audi - RS2 5 cylinder 20V engine

COMPATIBLE IE CONNECTING RODS



 


 

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