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Worldwide Shipping Iag 550 Street V25 Cylinder Heads Package W/ Gsc S1 Cams & Lifters For 04-07 Sti 04-05 Fxt 05-09 Lgt Now 75% Cheaper [Rc08YDWr]

$199.99 $639.99 -69%

IAG 550 Street V25 Cylinder Heads PackageIntroducing the IAG 550 Street V25 Cylinder Heads Package, a top-tier upgrade solution for your Subaru vehicle. Designed to deliver exceptional performance, these cylinder heads are crafted with precision to e

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IAG 550 Street V25 Cylinder Heads Package

Introducing the IAG 550 Street V25 Cylinder Heads Package, a top-tier upgrade solution for your Subaru vehicle. Designed to deliver exceptional performance, these cylinder heads are crafted with precision to enhance the power and efficiency of your engine. This comprehensive package includes upgraded GSC standard size valves, IAG Stage 1 Valve Springs with Titanium Retainers, and OEM Keepers, ensuring a seamless and high-performance driving experience. With a power output rating of 550 BHP, this package is perfect for those seeking to maximize their vehicle's potential.

Product Specifications and Features

The IAG 550 Cylinder Heads are constructed from new OEM castings by Subaru of America, guaranteeing superior quality and reliability. Each head undergoes a meticulous machining process, including cam clearance, intake and exhaust seat cutting, and deck resurfacing, all to ensure optimal performance and flow characteristics. The package also includes optional GSC S1 Camshafts and OEM Lifter Buckets for precise valve adjustment. With a focus on detail, this package offers a CNC-machined combustion chamber, exhaust runner, and intake runner, all designed to enhance the overall performance of your engine.
  • New OEM Castings for superior quality and reliability.
  • CNC Machining for optimal performance and flow characteristics.

Practical Applications and Benefits

Whether you're looking to replace your stock cylinder heads due to engine failure or seeking a performance upgrade, the IAG 550 Street V25 Cylinder Heads Package is an ideal choice. Suitable for vehicles such as the Subaru Forester, Impreza, Legacy, and more, this package is designed to meet the needs of both amateur and professional enthusiasts. The enhanced power output and superior engineering make it perfect for those who demand top-notch performance and reliability. With its versatility and high-quality components, the IAG 550 Street V25 Cylinder Heads Package is the go-to choice for any Subaru owner seeking an ultimate performance upgrade.
  • Enhanced Power Output up to 550 BHP.
  • Optimal Performance for both daily driving and racing applications.

What Our Customers Say

December 28, 2025

Absolutely no complaints!

An excellent tool with a solid feel.

- Lucretia Q..

December 28, 2025

Absolutely no complaints!

An outstanding piece of equipment.

- Valerie Q..

December 28, 2025

Absolutely no complaints!

It’s a very handy and clever tool.

- Tegan T..

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