I have a small Garrett 25, looks like the website will have what I need, I just need to find the right one. would it be this: http://www.atpturbo.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=ATP-FLS-042&Category_Code=BCSor this: http://www.atpturbo.com/Merchant2/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=ATP-FLS-081&Category_Code=BCS