-14%
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
Click to zoom in

GSC P-D 08+ STi S3 Cams 282/282 Billet

GSC7026S3
GSC7026S3
Camshafts
5 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

Request For Information

Have questions about GSC P-D 08+ STi S3 Cams 282/282 Billet? Fill out the form below and we'll get back to you by the next business day.
Camshafts

Camshafts

Performance camshafts and camshaft upgrades for naturally aspirated, turbocharged, supercharged, and race-built engines are stocked at Black Ops Auto Works. Shop billet camshafts, stage 1 cams, stage 2 cams, high-lift profiles, intake cams, exhaust cams, VTEC camshafts, Coyote cams, 2JZ cams, Subaru EJ cams, VR38 cams, valve springs, retainers, followers, and timing components for Ford Mustang and F-150 Coyote, Honda Civic Type R, Subaru WRX and STI, Toyota and Lexus, Nissan GT-R, and other enthusiast platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 241 camshaft SKUs across complete pairs, individual intake or exhaust cams, lift and duration profiles, valvetrain upgrades, variable-valve-timing systems, and platform-specific engine builds. What This Camshaft Collection Covers Camshafts control valve opening timing, lift, and duration. This collection includes street per...

View Camshafts Products
Camshafts & Components

Camshafts & Components

Camshafts and camshaft components for Honda, Acura, Subaru, Nissan, Toyota, Mitsubishi, Hyundai, and Ford performance engines are stocked at Black Ops Auto Works. Shop billet camshafts, cam gears, cam seals, cam covers, stage 1 through stage 3 profiles, and forced induction spec grinds for K20, K24, B-series, EJ257, RB26, 2JZ, SR20, 4G63, and Coyote builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 311 camshaft SKUs across import and domestic naturally aspirated and turbocharged applications. What This Category Covers The Camshafts and Components collection covers replacement and performance camshafts along with the supporting hardware that keeps a valvetrain timed and sealed correctly. The catalog leans heavily import and sport compact, with deep coverage for Honda K-series and B-series, Subaru EJ, Nissan RB and SR platforms, Toyota 2JZ and 3S-GTE, Mitsubishi 4G63, and Hy...

View Camshafts & Components Products
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
GSC Power Division

GSC Power Division

GSC Power Division camshafts and valvetrain parts for turbocharged import engines are stocked at Black Ops Auto Works. Shop camshafts, valve springs, retainers, valves, and head studs engineered for the Toyota 2JZ, Nissan RB26 and VR38DETT, Mitsubishi 4G63, Subaru EJ257 and FA20, and Honda K20 platforms. Every product is filterable by engine code, cam grind, and application so the correct part ships the first time. Black Ops Auto Works carries 407 GSC Power Division SKUs across camshaft, valvetrain, and engine internal categories. What This Brand Covers GSC Power Division is a specialist engine internals brand focused on camshafts, valve springs, retainers, and valves engineered specifically for high output turbocharged import engines. The catalog is built around specific engine codes rather than complete vehicles, which means the same part often applies across multiple chassis that share an engine platform. Brand Focus GSC Power Division designs valvetrain components for engine...

View GSC Power Division Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×