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

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Sustainable Iag 1150 Cnc Ported Drag V25 Cylinder Heads Package W/ Gsc S3 Cams & Kelford Bucket Lifters For 04-07 Sti 04-05 Fxt 05-09 Lgt (requires Standalone Engine Management May Not Be Compatible With Avcs) Gift Ready [SXgBAOsd]

$77.99 $249.99 -69%

IAG 1150 CNC Ported Drag Cylinder Heads Package The IAG 1150 CNC Ported Drag Cylinder Heads Package is a game-changer for high-performance Subaru vehicles. Designed specifically for drag racing and competition, these heads offer an unparalleled upgra

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Sustainable Iag 1150 Cnc Ported Drag V25 Cylinder Heads Package W/ Gsc S3 Cams & Kelford Bucket Lifters For 04-07 Sti 04-05 Fxt 05-09 Lgt (requires Standalone Engine Management May Not Be Compatible With Avcs) Gift Ready [SXgBAOsd]

IAG 1150 CNC Ported Drag Cylinder Heads Package

The IAG 1150 CNC Ported Drag Cylinder Heads Package is a game-changer for high-performance Subaru vehicles. Designed specifically for drag racing and competition, these heads offer an unparalleled upgrade from the standard IAG 950 heads. Engineered to support up to 1150 BHP, this package is perfect for those seeking maximum power and reliability. With an array of premium features, such as Ferrea valves, GSC Viton valve stem seals, and Ferrea dual drag valve springs, the IAG 1150 heads are the ultimate choice for high-horsepower applications.
  • Full CNC Porting: Enhances airflow for increased power and efficiency.
  • High-Performance Valves: Ferrea valves provide superior durability and precision.

Technical Specifications and Components

The IAG 1150 heads are crafted from new OEM castings by Subaru of America, ensuring a perfect fit and compatibility with your vehicle. Each set includes upgraded components like Ferrea valves, GSC Viton valve stem seals, and Ferrea dual drag valve springs with titanium retainers. The GSC S2 or S3 camshafts, paired with Kelford DLC coated valve lifter buckets, provide optimal valve adjustment for enhanced performance. Optional chamber modifications are available for EJ20 heads to fit EJ25 short blocks.
  • Subaru Specific: Engineered for 2004-2007 STI, 2004-2005 FXT, and 2005-2009 LGT models.
  • Power Output: Rated for 1150 BHP, delivering unmatched performance.

Applications and Benefits

The IAG 1150 CNC Ported Drag Cylinder Heads Package is designed for enthusiasts and professionals alike, aiming to extract every ounce of power from their Subaru vehicles. Whether you're hitting the drag strip or participating in high-performance driving events, these heads will provide the reliability and performance you need. With a focus on long-term durability and peak efficiency, the IAG 1150 heads are an investment in the future of your vehicle.
  • Drag Racing Ready: Engineered for high-horsepower drag racing applications.
  • Customizable: Optional chamber modifications for versatility and compatibility.
Experience the power and performance of the IAG 1150 CNC Ported Drag Cylinder Heads Package today and take your Subaru to new heights.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

Flawless since the moment it arrived.

- Camila R..

January 27, 2026

Absolutely no complaints!

I'm very impressed with the craftsmanship.

- Dylan M..

January 27, 2026

Absolutely no complaints!

I love this. It is just perfect.

- Cesar F..

Write a Review

You Might Also Like

Discover more great products from our collection.

DIPPER LINK, 365

DIPPER LINK, 365

(701)
$17.99 $57.99 -69%
RELAY 1P 24V 10A W/DIODE

RELAY 1P 24V 10A W/DIODE

(824)
$20.99 $67.99 -69%
ALLEN-BRADLEY 140G-H-FCXB10

ALLEN-BRADLEY 140G-H-FCXB10

(484)
$83.99 $268.99 -69%
Field Low Bowl

Field Low Bowl

(968)
$26.99 $86.99 -69%
Pink Shade

Pink Shade

(541)
$21.99 $70.99 -69%
VE3352U 5334 Fuchsia

VE3352U 5334 Fuchsia

(455)
$40.99 $131.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY