Anybody seen these before? And if so how much improvement etc would it offer?
http://cgi.ebay.com/ebaymotors/Niss...ptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
http://cgi.ebay.com/ebaymotors/Niss...ptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories