Introducing the JHM Secondary Air Injection Block Off Plate Set for the B6-B7 S4, C5-allroad and C6-A6 with the 4.2L V8!!!
This is a pair of stainless steel, laser cut plates used to block off the ports where the Secondary Air Injection (SAI) Valves attach to the back of the cylinder heads on the B6-B7 S4 with the 4.2L V8 40v motor.
As an option, you can add on brand new, OEM SAI Valve to Cylinder Head Gaskets for $15. Select your choice from the dropdown below.
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|Note: JHM works hard to make all fitment charts as accurate as possible please read the product description to make sure this is correct for your vehicle.|
|Audi||S4 - B6||2003 - 2005|
|Audi||S4 - B7||2005 - 2008|