Subaru AVCS Delete Kit

Subaru AVCS Delete Kit


Our AVCS deletion kit offers a reversible solution for situations where AVCS needs to be deleted. Reason being, without deleting AVCS, the timing advance will be slightly retarded when coupled with a nonAVCS ECU. This timing issue leads to:

  • Delayed torque delivery
  • Added turbo lag, which is very noticeable on the AVCS 2.0L engines 

The kit will work on both the intake and exhaust AVCS found on the ej205, ej207, ej255, and ej257 engines.
Example1: If installing a JDM ej20x into a 2010 WRX (only supports intake AVCS), then purchase (1) kit to delete the exhaust AVCS oil ports.

Example 2: If installing a ej257 engine (intake AVCS) into a 2002 WRX (non AVCS), then purchase (1) kit to delete the intake AVCS oil ports.

Example 3: If installing a JDM ej20x (AVCS on both Intake and Exhaust) into a 2002 WRX (non AVCS), then you will need to use the drop down menu to add 8 set screws and 2 seals to the order. This will have enough screws and cam shafts seals to delete AVCS on all 4 cam shafts. 

Note: (1) AVCS Delete kit has enough parts to delete the oil ports on a total of 2 cam shafts. 

Our standard AVCS delete kit includes:

(1) Loctite Threadlocker Red 0.5ml
(8 + 1 spare) Stainless Steel Set Screws 10-32 x 1/4" (includes 1 extra)
(1) Tap and Drill Set 10-32
(2) Subaru OE cam seals 806732160 

The Add-on kit adds these parts to the standard kit:

(8) Stainless Steel Set Screws 10-32 x 1/4" 
(2) Subaru OE cam seals 806732160 

The following parts are required to complete the deletion, but are not included.  They are often scavenged from the prior engine and are factory parts found on the non AVCS donor engine:

Intake AVCS deletion

  • (1) Non AVCS Right Intake cam gear, 13044AA061
  • (1) Non AVCS Left Intake cam gear, 13055AA070
  • (2) Cam gear bolts, 13199AA010

Exhaust AVCS deletion

  • (1) Non AVCS Right Exhaust cam gear, 13049aa041
  • (1) Non AVCS Left Exhaust cam gear, 13054aa033
  • (2) Cam gear bolts, 13199AA010

Select the Install tab to see the how the process is performed as well as a list of the necessary tools.  

Download the full installation guide here


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