PSR's Nissan Patrol GQ-GU Heavy Duty Engine Mount is an unbreakable engine mount designed to replace any variation of the 4 bolt Nissan mount on the RIGHT HAND SIDE of the vehicle with a braced fuel pump variation (PSRPAT-098 is the LEFT HAND SIDE P/N). The main feature of our engine mounts is the use of a fully CNC machined bush housing in combination with 350MPA grade steel making our mounts super strong. The factory engine mount is a common weak link in the vehicles drivetrain and often break apart, the design of our mounts eliminates the ability for the mounts to break apart. Always replace the left hand side engine mount if choosing to run one mount only. If you are doing an engine conversion it is highly recommended to consider PSRPAT-086, the Nissan Patrol GQ-GU Chassis Side Weld On HD Engine Mounts (Suits OE 4 bolt mount only or HD engine mount).