✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Get Your Iag Stage 4 Cylinder Head Package W/ Combustion Chamber Mod Includes Gsc S2 Camshafts - 2002-2005 Subaru Wrx Save 55% Now [6q12r0nj]

$61.99 $198.99 -69%

IAG Stage 4 Cylinder Head Package for 2002-2005 Subaru WRXExperience the ultimate in performance with the IAG Stage 4 Cylinder Head Package, specifically designed for the 2002-2005 Subaru WRX. This comprehensive package includes CNC-ported heads, com

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Get Your Iag Stage 4 Cylinder Head Package W/ Combustion Chamber Mod Includes Gsc S2 Camshafts - 2002-2005 Subaru Wrx Save 55% Now [6q12r0nj]

IAG Stage 4 Cylinder Head Package for 2002-2005 Subaru WRX

Experience the ultimate in performance with the IAG Stage 4 Cylinder Head Package, specifically designed for the 2002-2005 Subaru WRX. This comprehensive package includes CNC-ported heads, combustion chamber modifications, and high-performance GSC S2 camshafts, all crafted to deliver exceptional power and efficiency.
  • Advanced CNC Porting: IAG's Centroid 5-axis CNC machines meticulously port the intake and exhaust ports for optimal airflow and performance.
  • Combustion Chamber Mod: The combustion chambers are precision-machined to reduce compression and enhance the burn path, resulting in increased power and efficiency.

Technical Specifications and Components

This package is a testament to IAG's commitment to quality and performance. Each component is meticulously selected and manufactured to the highest standards:
  • High-Quality Castings: Brand new Subaru S20 head castings are used as the foundation, ensuring durability and reliability.
  • Valve and Camshafts: GSC S2 camshafts with +1mm valves are included, offering increased lift and duration for a more aggressive power curve.
The comprehensive machining process includes porting, combustion chamber modification, valve guide installation, and a multi-angle valve job, ensuring a seamless integration with your Subaru WRX.

Performance Benefits and Target Audience

The IAG Stage 4 Cylinder Head Package is the perfect choice for Subaru WRX enthusiasts seeking to unlock the full potential of their vehicle:
  • Increased Power: The combination of CNC-ported heads, combustion chamber modifications, and high-performance camshafts delivers significant power gains.
  • Improved Efficiency: The optimized airflow and combustion process enhance fuel efficiency and reduce emissions.
This package is ideal for both daily drivers and track enthusiasts looking to enhance their Subaru WRX's performance and driving experience.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

The quality for the price is outstanding.

- Savannah O..

January 26, 2026

Absolutely no complaints!

I'm so pleased. And it works so great.

- Rosa U..

January 26, 2026

Absolutely no complaints!

This is a great and smart purchase.

- Jackie P..

Write a Review

You Might Also Like

Discover more great products from our collection.

LANDON MEDIUM PLANTER

LANDON MEDIUM PLANTER

(100)
$43.99 $140.99 -69%
REV'IT! Cayenne 2 Pant

REV'IT! Cayenne 2 Pant

(587)
$71.99 $230.99 -69%
Saucony PEREGRINE 14 MUJER

Saucony PEREGRINE 14 MUJER

(626)
$23.99 $76.99 -69%
Head Radical Tour CO

Head Radical Tour CO

(23)
$29.99 $95.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY