English Racing Underdrive Oil Pump Gear for 4G63/4G64 (OP-GEAR) *Backorder* K&N • Direct-Fit STM Valve Cover
Baker’s notes & crumb story
Description
• Direct-Fit STM Valve Cover Fittings
The inlet thread is a -10 AN female ORB (O-ring port fitting) and the discharge is a female -6 AN ORB (O-ring port fitting)
The microhardness is higher than the stainless steel base material
• Flow Digressive Technology
English Racing Underdrive Oil Pump Gear for 4G63/4G64 (OP-GEAR) *Backorder* K&N • Direct-Fit STM Valve CoverThe English Racing 4G63 4G64 Underdrive Oil Pump Gear has a larger overall diameter to lower the very high oil pressures the DSM & Evo engines reach and allows more oil to be in the pan where it should be to protect the engine! *Backorder* ETA unknown As of Feb 2024, this part is currently on backorder from English Racing with no ETA at this time. Vehicle Fitment: Mitsubishi 4G63 1992 2006 Evolution I IX 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi