Specially designed for use on supercharged, nitro-burning, injected nitro and supercharged alcohol and gas applications, the filters have a 75-micron element and are proven to provide an ample supply of clean 60 or 70-weight oil in high RPM environments. The CNC-machined 6061-T6 housing has a single O-ring groove at the mounting surface and has ten 3/8” inlet holes. Use with a System 1 remote filter mount (P/N) 221-90004-12 recommended) that flows 30 GPM.  Also available with 35 and 45-micron elements if lighter weight oils are used.