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Product Features


• Takes Audi 2.7T engine to 3.0L

• Increase horsepower and torque

• Spool larger frame turbos faster

• More engine power out of boost

• Less chance of cylinder detonation

• Includes JE Pro Seal piston rings

• Includes wrist pins and pin locks

• No dish deburring or preparation needed

• Individually prepared inspection report of dimensional conformity

• Each piston individually serialized for complete trace-ability

• 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 3.0L Stroker Piston Sets | Fits Audi 2.7T 30V Engines

Out of Stock - Contact us for ETA.

SKU: JE-30V-27T-STROKER-PISTONS

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Price as configured: $0.00

JE stroker pistons when combined with a 3.0L crankshaft increase the engine displacement of a 2.7T 30V to 3.0L. The added displacement bumps horespower and torque, faster turbo spool, increased engine response, and improved out of boost power. Gain the edge on your high powered engine for road race, drag race, or full out competition racing!

Product Summary
Details

INCLUDED IN PISTON SET

  • 6X JE forged stroker pistons
  • 6X JE Pro Seal piston ring sets
  • 6X JE straight wall carbon steel wrist pins
  • 12X JE wrist pin wire locks

 

 

WHAT IS A STROKER PISTON? 

Stroker pistons feature a larger bore, larger oil squirter notches, modified piston dish, and properly place wrist pins allowing you to up the displacement by increasing the stroke and bore of the engine. Along with these specialty designed stroker pistons, the increased displacement to 3.0 liters is accomplished by using a larger 92.8mm stroke crankshaft and 154X21 connecting rod.  This stroker kit results in a 3.0L displacement that yields more horsepower and torque on the same boost pressure, less chance of detonation due to lower peak cylinder pressures, faster spool, and produces more power on low octane fuel.

 

 

TECHNICAL SPECIFICATIONS

  • Bore: 82mm or 83mm
  • Stroke: 92.8mm
  • Rod size: 154X21
  • Compression Ratio: 8.5:1 

 

 

COMPRESSION RATIO

JE stroker piston sets for theAudi 2.7T 30V engine are offered in a 8.5:1 compression ratio. This compression will allow higher boost levels on lower octane ratings with less chance of knock and cylinder detonation than higher compression ratio pistons. This compression ratio is a perfect match for engine builds running high boost, high torque, or race fuels/nitrous requiring this type of forged piston.

 

 

INCREASED BORE SIZE

Requires machine work! To reach the increased displacement and stroke on a 2.7T block, stroker pistons require to be 82mm overbore. Overbore pistons require additional machine work including a cylinder bore and hone. This work must be performed by a machine shop. Not only does overboring allow the increased displacement, this additional work also 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. For engines with cylinder damage past 82mm bores, an 83mm bore option is also availible. 

 

 

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.

 

  

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. 

Fitment

<h2><strong>VEHICLE FITMENT</strong></h2>
<ul>
<li>Audi - S4 1996-2001 (B5 - B5.5)&nbsp;</li>
<li>Audi -&nbsp;RS4 1996-2001 (B5 - B5.5)</li>
<li>Audi -&nbsp;A6 1998-2004 (C5) 2.7T 30V Bi-turbo engine</li>
<li>Audi -&nbsp;A6 Allroad 1998-2004 (C5) 2.7T 30V Bi-turbo engine</li>
</ul>
<p>&nbsp;</p>

Additional hardware

REQUIRED IE CONNECTING RODS



 


 


REQUIRED STROKER CRANKSHAFT



  • Audi factory 3.0L 30V (AVK) crankshaft. Found in 2002-2005 (B6) A4 3.0L V6 engines. 

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