GSC Stage 1 Camshafts Subaru WRX 2006-2007 / STI 2004-2007 | 7025S1

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SKU: gsc7025S1
Availability: 20 In Stock Learn more
Type: Engine Camshafts and Gears
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Regular Price: $1,175.63 - Instant discount: $176.35 = $999.28

Subtotal: $999.28

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Fitment Information:

2006-2007 Subaru WRX

2004-2007 Subaru STI


GSC Power-Division Billet S1 camshafts for the USDM STi and WRX with Intake only AVCS.

These will not drop any low end power, and will creating more power and torque across the entire rpm range. Good for stock frame upgraded turbos or up to 500WHP upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.


Intake 264 / 226 @ .040" / Peak Lift 10.8mm / Centerline AVCS
Exhaust 264 / 222 @ .040" / Peak Lift 10.5mm / Centerline 115

Install Notes:

  • Check Pictures for cam placement. Long nose= Left Side, short nose - Right Side
  • Due to the lobe size, head castings may need to be filled down slightly for clearance. Please check during install.
  • Proper break in and running high zinc oil is a must on flat tappet engines. Must be installed by an experienced technician*
  • Requires upgraded valve springs