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Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS (Part Number: )
Cosworth Camshafts S2D Grind Dual AVCS
Subaru STI 2008+

Features & Product Details

Cosworth has been engineering camshafts for nearly 50 years. That coupled with years of innovative multi valve cylinder head design ensures Cosworth's camshaft designs are the most efficient in providing maximum usable power across the widest power band. Each cam is ground from a new billet and finished using the same procedures they use in their extreme level race engines. Cosworth cams are profiled to increase boost response thereby increasing engine torque and power and are fully compatible with their CNC Ported Big Valve Cylinder Heads. These cams are also compatible with the JDM Dual AVCS EJ207 heads. Sold in a matched set of four camshafts.

Specs
Intake Camshaft Duration: 278 degrees
Intake Camshaft Lift: 10.7mm
Exhaust Camshaft Duration: 274 degrees
Exhaust Camshaft Lift: 10mm

Specifications

Brand: Cosworth
Cam Exhaust Duration: 274
Cam Exhaust Lift: 10.0mm
Cam Intake Duration: 278
Cam Intake Lift: 10.7mm
Location: Intake and Exhaust
Machining Required: No
QTY: 4
Springs Required: No
Mfgr. Warranty: No Warranty
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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QUESTIONS & ANSWERS

  • Q: what should i change in the motor after installing the cams ?  Turbo993 years ago

    i drive 2010 sti hatchback 500hp , is there is any thing i should change after the cams?
    • 0 of 0 people found the following answer helpful

      A:  In addition to installing cams we recommend upgrading the valvetrain. Valves, Retainers, Seals, as well as Headstuds would be beneficial.

        
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  • Q: how many HP i will get  Turbo993 years ago

    i drive a 2010 sti 500hp , with this cams how many HP i will get?
    • 0 of 0 people found the following answer helpful

      A:  The turbo will play a large role in the power given by a cam upgrade. You can expect to see 5-10% gains of peak top end power when going with larger than stock cams.

        
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  • Q: how about Low RPMs  thales farias4 years ago

    how the car behaves in Low RPMs like when you are in neutral on a red light.Does the RPMs still oscillate between 600 and 900 or they increase?
    • 0 of 0 people found the following answer helpful

      A:  With these cams, the lower RPM's are going to be very rough on idle. You will have a lot of oscillating and the car may feel as if it is about to die with stop and go traffic.

      guest57853c642a8d25b5018c44a7 @
        
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  • Q: Engine Build & Stock Turbo  Demonik4 years ago

    Hello RSD Team, I am looking to rebuild my engine. The other parts are pistons, connecting rods, oil pump, bearings, studs, valves and valve springs. The turbo will be stock and additional mods will be downpipe, EL headers, catback and intake. The target is 400whp. I would like to know if - 1. Replacing the cams will be added benefit based on the above setup? 2. If the stock cams will suffice the requirement? 3. What is the benefit of these cams on stock motor? 4. What is the benefit of these cams on the above built motors? Thanks guys!
    • 1 of 1 people found the following answer helpful

      A:  These cams are most beneficial for larger than stock turbos, which can use the extra air flow, and these cams will outflow the stock turbo. You would still gain more peak power with these cams and the stock turbo, but less aggressive or stock cams would be preferred for a broader power band, especially in the low to mid RPMs. Aftermarket cams will increase intake and exhaust flow, which increases power on stock and built engines, but you will shift your power band to the higher RPMs.

      Zach G. @ RallySport Direct 4 years ago  
        
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  • Q: Duration   j5supra4 years ago

    What is the real duration at .050 lift?