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GSC7026S3-GSC P-D 08+ STi S3 Cams 282/282 Billet-Camshafts-GSC Power Division
GSC P-D 08+ STi S3 Cams 282/282 Billet - Black Ops Auto Works
GSC P-D 08+ STi S3 Cams 282/282 Billet - Black Ops Auto Works
GSC P-D 08+ STi S3 Cams 282/282 Billet - Black Ops Auto Works
GSC P-D 08+ STi S3 Cams 282/282 Billet - Black Ops Auto Works
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GSC P-D 08+ STi S3 Cams 282/282 Billet

GSC7026S3
GSC7026S3
Camshafts
11 Units In Stock - Ships Next Business Day
$ 1,245.50 $ 1,058.68
$ 1,058.68

SKU: 7026S3

GSC Power-Division 2008+ Subaru WRX STI S3 Billet Camshafts 282/282

GSC Power-Division S3 billet camshafts fit 2008-2021 Subaru WRX STI models with EJ257 engines and Dual AVCS. These camshafts support 750-1000 WHP output across a 4500-9500 RPM range when paired with a built bottom end sleeved or closed deck ported heads and upgraded valve springs. A standalone ECU or speed density tune ensures stable idle control.

Key Features

  • Billet Construction: Precision-machined from high-strength billet steel for durability in high-horsepower builds
  • Intake Specs: 280° advertised duration 240° at 0.040" lift of 11.55mm centerline 130° for strong mid-to-high RPM power
  • Exhaust Specs: 280° advertised duration 241° at 0.040" lift of 11.60mm centerline 128° for efficient scavenging
  • Power Band: Targets 750-1000 WHP ideal for drag and track applications with extensive engine preparation
  • Dual AVCS Compatible: Optimized timing works with factory variable valve timing for broad power delivery

Product Notes

  • Long nose cams install on left side short nose on right side verify with product images
  • High-lift lobes require head casting machining for clearance check during assembly
  • Camshaft set weighs 12 lbs ships in 26 x 8 x 6 inch box

Installation Notes

  • Professional installation recommended.
  • Verify AVCS advance settings during install experienced engine builder required
  • Clearance head castings and use upgraded valve springs for proper operation

This Part Fits

Year Make Model Submodel
2008-2014 Subaru Impreza WRX STI Dual AVCS EJ257
2015-2017 Subaru WRX STI Dual AVCS EJ257
2018-2021 Subaru WRX STI Dual AVCS EJ257

Why Choose GSC Power-Division?

  • Established leader in Subaru performance camshafts with track-proven designs
  • Billet cores resist flex under extreme boost and RPM loads
  • Engineered profiles deliver consistent power gains in competitive builds

Frequently Asked Questions

  • Q: Will these cams fit pre-2008 Subaru STI models?
    A: No these are designed exclusively for 2008+ WRX STI with Dual AVCS EJ257 engines
  • Q: What material are the camshafts made from?
    A: High-strength billet steel cores with custom lobe profiles for maximum strength and longevity
  • Q: What break-in procedure is required?
    A: Follow proper cam break-in process using high-zinc oil on flat tappet surfaces experienced technician advised

Shipping & Handling

  • Method: UPS or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed dimensions 26 x 8 x 6 inches
  • Weight: 12 lbs

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