The 4G63 engine has been used in various Mitsubishi vehicles over the years and has gained a reputation for its performance and durability

Fully Reversible to OEM Specifications

you'll get to revel in the sound of turbo spool and BMW's legendary induction sound with every RPM

Offered in 7 bore sizes to match your setup

BMW N55 Lifter Shim Set by Ferrea 1750.34.14.14.6 The 4G63 engine has beenFerrea Lifter Shim Set for BMW N55 Engines The Ferrea Racing Lifter Shim Set is specifically engineered to enhance the valvetrain stability of BMW N55 engines, ensuring smooth performance under high RPMs and extreme conditions. These precision shims install beneath the stock hydraulic lifters to reduce lifter travel, preventing valve float and improving throttle response. Whether youre running high boost setups or preparing for competitive motorsport,