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GSC Power-Division Billet Camshafts - 04-07 STi (USDM AVCS)

GSC

$956.25 
GSC-7025S1



Fits these Applications:
2004-2007 Subaru STi
(*EJ255/7 USDM models with AVCS *)

Description:
GSC Power-Division Billet Camshafts for the USDM 04-07 STi with intake only AVCS. S1, S2 and S3 cams are available. Sold as a set of 4 camshafts.

GSC Power-Division Billet Camshafts - USDM 04-07 STi AVCS

Cam ADV Duration Duration @ 0.040" Peak Lift Center Line
S1 Intake 268° 225° 10.80mm 125°
S1 Exhaust 268° 225° 10.40mm 115°
S2 Intake 272° 230° 10.80mm 125°
S2 Exhaust 272° 232° 10.40mm 115°
S3 Intake 282° 240° 11.50mm
130°
S3 Exhaust 282° 240° 11.50mm 115°

S1 Camshafts:
These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required; beehive valve springs are recommended, but not required.

S2 Camshafts:
These cams are built to suit the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built/ported head, and a turbo capable of supporting 500+ WHP. Upgraded valve springs are required; beehive valve springs are recommended, but not required.

S3 Camshafts:
These cams are built to suit the high horsepower drag STi. With a power range of 750-1000 WHP and a rev range of 4500-9500 RPMs, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; beehive valve springs are recommended, but not required.

• Check Pictures for cam placement. Long nose = Left Side, short nose = Right Side
• Due to the lobe size, head castings will need to be filed 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


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© All images are property of STM Tuned Inc


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WARNING:
Cancer and Reproductive Harm
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