Installed With New Seals, O-Rings, Filter & Pintel Caps Not an aftermarket product USA based company Flow Matched +- 1% Premium Quality Re-Manufacturing Process This injector set its ready to install, no modification needed-and has been equipped with new components (rubber seals, O-rings, caps, spacers) Please message us with any questions. This injector set is compatible with the following vehicle.1998-2005 Compatible With Lexus GS300 3.0L.2001-2005 Compatible With Lexus IS300 3.0L.1998-2000 Compatible With Lexus SC300 3.0L. 1998 Compatible With Toyota Supra 3.0 This injector set its ready to install, no modification needed-and has been equipped with new components (rubber seals, O-rings, caps, spacers) Please message us with any questions. This injector set is compatible with the following vehicle.1998-2005 Compatible With Lexus GS300 3.0L.2001-2005 Compatible With Lexus IS300 3.0L.1998-2000 Compatible With Lexus SC300 3.0L. 1998 Compatible With Toyota Supra 3.0L