Best Internals for a 450 Hp Wrx Built Engine: Pistons, Rods, and Gaskets

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The Subaru WRX is a beloved vehicle among car enthusiasts, especially those interested in performance tuning. When aiming for a powerful 450 horsepower, the choice of internal components becomes crucial. In this article, we will explore the best pistons, rods, and gaskets for a WRX built engine capable of reaching this power level.

Pistons for 450 HP WRX Built Engine

Pistons play a vital role in the performance and reliability of a built engine. Choosing the right pistons can significantly impact the engine’s ability to handle increased power and boost levels.

  • CP Pistons: Known for their strength and lightweight design, CP pistons are a popular choice for high-performance builds.
  • Wiseco Pistons: These pistons offer excellent durability and are designed to withstand high levels of boost, making them ideal for a 450 HP setup.
  • Manley Pistons: With a focus on performance and reliability, Manley pistons provide a great balance of strength and weight.

Connecting Rods for 450 HP WRX Built Engine

Connecting rods are essential for transferring the power generated in the combustion chamber to the crankshaft. For a 450 HP WRX engine, selecting high-quality rods is critical to ensure longevity and performance.

  • Manley H-Beam Rods: These rods are known for their strength and reliability, making them a common choice for high-horsepower builds.
  • CP Carrillo Rods: Renowned for their exceptional strength-to-weight ratio, these rods can handle the demands of a 450 HP engine.
  • Eagle Rods: Offering a budget-friendly option without sacrificing performance, Eagle rods are a solid choice for many WRX enthusiasts.

Gaskets for 450 HP WRX Built Engine

Gaskets are crucial for maintaining the integrity of the engine under high pressure and temperature conditions. Choosing the right gaskets is essential for a reliable and powerful engine build.

  • Cometic Head Gaskets: Known for their durability and ability to handle high boost levels, Cometic gaskets are a top choice for performance builds.
  • OEM Subaru Gaskets: For those looking for reliability, OEM gaskets provide a perfect fit and excellent sealing properties.
  • FEL-PRO Gaskets: These gaskets are designed to withstand extreme conditions, making them suitable for high-performance applications.

Conclusion

Building a WRX engine capable of producing 450 HP requires careful selection of internal components. By choosing high-quality pistons, connecting rods, and gaskets, enthusiasts can ensure their engine performs reliably and efficiently. Investing in reputable brands will provide peace of mind and help achieve the desired power goals.