Scat Pro Evo IV IX 2G DSM Forged H Beam Connecting Rods Skunk2 The Mishimoto Baffled Oil Catch ARB The Mishimoto Baffled Oil Catch Can was designed to separate oil particles from the PCV air that would normally have just been routed back to your intake Height adjustments are made with separate CNC Machined locking spring perches for accuracy and smooth adjustment with separate damper shock length adjustment to retain full stroke and allows for precision suspension tuning (7 Bolt 4G63) 1992 1999 DSM (Eclipse GST GSX SCAT also provides an extra oiling provision hole on the top of the rod allowing for better lubrication at high rpms