GSC Power Division

GSC P-D Subaru EJ255/EJ257 (USDM) w/Intake AVCS S3 Cams 282/282 Billet - 7025S3

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SKU:
GSC7025S3
UPC:
GSC7025S3
MPN:
7025S3
Availability:
Regularly stocked product
$999.28
Current Stock: 3

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Description

Will these camshafts fit my 2004 Subaru Impreza WRX STI?
These GSC S3 Billet S3 Camshaft Kits are specifically engineered for 2004-2007 Subaru Impreza EJ255/EJ257 USDM models, ensuring precise fitment.

What is the recommended installation process for these camshafts?
Professional installation is strongly recommended for these advanced camshafts to achieve optimal performance and ensure proper engine function.

GSC Billet S3 Camshaft Kits are engineered for 2004-2007 Subaru Impreza models, delivering a massive surge of power with 282 degrees of intake and exhaust duration for ultimate performance. Featuring 282/282 billet construction with intake AVCS, these camshafts transform your engine into a high-revving powerhouse. Experience explosive acceleration and peak performance with these competition-grade camshafts.

What Owners Say

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Key Features

  • GSC P-D Subaru EJ255/EJ257 (USDM)
  • Intake AVCS
  • S3 Cams
  • 282/282 Billet

Why Choose the GSC Billet S3 Camshaft Kits

Delivers explosive power gains across the entire RPM range for exhilarating acceleration.

Achieves peak performance with optimized intake valve timing for a responsive throttle.

Transforms your Subaru's engine into a high-revving powerhouse with aggressive lift.

Provides a robust and reliable foundation for extreme horsepower builds.

Who Is This For?

Track / Autocross — 9/10
High duration cams optimize top-end power for racing.

Drag Racing — 9/10
Large duration enhances peak power for acceleration.

Street Performance — 7/10
Significant duration may impact low-end torque.

Racing Competition — 9/10
Designed for ultimate performance in competition.

Engine Performance — 10/10
282 degrees duration directly increases performance.

Exhaust Note / Sound — 8/10
Aggressive cam profiles typically alter sound.

Frequently Asked Questions

What makes the GSC S3 Billet Camshaft Kit ideal for my 2004-2007 Subaru Impreza?

GSC Billet S3 Camshaft Kits are engineered to deliver explosive power gains across the entire RPM range for your 2004-2007 Subaru Impreza. This kit features a 282 degree intake and exhaust duration, optimizing performance for track and autocross applications with a score of 9. This specific design ensures a transformative engine upgrade for enthusiasts seeking maximum output.

What is a billet camshaft and how does it benefit my engine?

A billet camshaft is precision-machined from a solid bar of high-strength steel, offering superior durability and dimensional stability compared to cast camshafts. The S3 cams, built with this billet construction, provide a robust and reliable foundation for extreme horsepower builds. This advanced manufacturing process ensures consistent performance and longevity under demanding conditions.

How much of a performance upgrade can I expect with the GSC S3 Billet Camshaft Kit?

Expect a massive surge of power with 282 degrees of intake and exhaust duration, transforming your Subaru's engine into a high-revving powerhouse. This directly increases engine performance, achieving a score of 10 for engine performance enhancement. This upgrade unleashes significant performance potential for dedicated racing competition.

What is the recommended installation process for the GSC Billet S3 Camshaft Kit?

Professional installation is recommended for the GSC Billet S3 Camshaft Kit; always confirm with a qualified technician. This advanced maintenance level ensures the precise setup required for these performance camshafts. Correct installation is crucial for unlocking the full potential of this engine upgrade.

Additional Resources

Official GSC Power Division Product Page

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
7025S3
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Camshafts
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
7/10
Racing Competition:
9/10
Engine Performance:
10/10
Exhaust Note / Sound:
8/10
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