S3 Billet Camshaft set for USDM Subaru WRX EJ20

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GSC Power-Division billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suit the high horsepower Subis. With a power range of 700 WHP and up, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; beehive valve springs are recommended, but not required.

    • Part Number
      GSC7020S3
    • $1097.25
    Qty:  
    In stock (8 items available)
    warning Warning: This product can expose you to chemicals including Nickel (Metallic), which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. More information on California Proposion 65 can be found on Proposion 65 Warnings and OEHHA websites.

    GSC Power-Division billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suit the high horsepower Subys. With a power range of 700 WHP and up, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head, and a good 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
    7020S3ADV DurationDuration @ 0.040"Peak LiftCenter Line
    Intake280°241°11.20mm110°
    Exhaust280°240°11.20mm115°
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