034 Motorsports JE Forged Piston Upgrade for Audi EA839 2.9T (2018+, 84.5mm)

$2,315.00 USD

Select your vehicle to confirm fit

034 Motorsports – Pistons. Fits Audi RS5 B9/B9.5, Audi S4 B9/B9.5, Audi S5 B9/B9.5.

  • Made to order — subject to stock confirmation.
  • Your card is authorized now, charged only once we confirm stock (usually within 24 hours).
  • Ships from our Wisconsin warehouse. Delivery 3–7 business days.
  • Ships direct from our supplier network — delivery depends on supplier availability.
  • Not sure it fits? Ask us →

Upgrade Your Audi's Performance with 034Motorsport's JE Forged Pistons

If you're looking to push your Audi's EA839 2.9T engine to the next level, the 034-202-9110 Forged Piston Upgrade is a game changer. Developed in collaboration with JE, these pistons are engineered for durability and performance that serious car owners crave. Made entirely in the USA, these pistons are designed to withstand the extreme conditions of high-horsepower racing engines.

Why Choose JE Forged Pistons?

The JE Forged Pistons maintain the factory compression ratio of 10.0:1, ensuring high efficiency under lighter loads while providing the strength needed for significant power upgrades. Once you start pairing these with other high-performance components from 034Motorsport, you'll find your EA839 2.9T engine has a broader safety margin and more potential for power.

Technical Specifications

  • Material: Forged from 2618 Aluminum Alloy for superior tensile strength
  • Compression Ratio: Stock 10.0:1
  • Bore Size: 84.5mm (3.327")
  • Wrist Pins: Heavy-duty for added strength
  • Piston Rings: JE Pro Seal Piston Rings included for optimal sealing
  • Piston Design: Euro Dish Piston Face for enhanced performance
  • Compatibility: Pairs perfectly with Pauter Connecting Rods

Fitment

  • Audi RS4 B9/B9.5 2.9 TFSI (2018+)
  • Audi RS5 B9/B9.5 2.9 TFSI (2018+)
  • Audi S6 C8 2.9 TFSI (2019+)
  • Audi S7 C8 2.9 TFSI (2019+)

Installation Insights

When it comes to installation, Audi RS4 and RS5 owners have noted that these pistons fit seamlessly into their builds, allowing for easy upgrades without extensive modifications. Many have reported noticeable improvements in throttle response and overall engine reliability after upgrading to these forged pistons.

Important Notes

  • JE Forged Pistons may produce a louder sound than factory pistons during cold starts, which is normal due to their design.

For those serious about tuning their Audi's performance, the 034-202-9110 Forged Piston Upgrade is a must-have. Experience the difference in power and reliability that these high-quality components bring to your EA839 2.9T engine.

Proposition 65

âš WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fitment: Audi RS5 B9/B9.5 (2018-2024); Audi S4 B9/B9.5 (2018-2024); Audi S5 B9/B9.5 (2018-2024)

Please confirm year, trim and engine before ordering.

Shop by vehicle

Pick your car once — we’ll only show parts that fit.

Popular makes