Just take a sample at your next oil change or have your FBO take a sample. Sample bottle and prepaid shipping container supplied with each kit. For a prompt accurate diagnostic report, send for your kit today.
Airwolf Model AFC-K008-B
Fits all C-145, O-300, GO-300 & IO-360
(This kit screws into the existing oil pump and replaces the original 1-3/4" - 16 Oil Screen)