Brian Crower Mitsubishi 4G63/EVO 8/9 Single Spring & Steel Retainer Kit

Brian Crower's BC0100S kit is a single valve spring and steel retainer set specifically for the Mitsubishi 4G63 engine found in the EVO 8 and 9 models. This setup is designed for builders looking to upgrade their valvetrain for improved performance and reliability under demanding conditions.

This kit includes single springs and steel retainers, which are well-built components intended to handle higher RPMs and increased valve lift compared to stock. The steel retainers offer solid durability, ensuring they can withstand the stresses of aggressive engine operation. Brian Crower is known for making dependable engine components, and this kit is a popular choice for those rebuilding or modifying their 4G63 engines for track or spirited driving.

When installing this kit, it's important to ensure all related valvetrain components are in good condition. Proper installation according to manufacturer guidelines is key to achieving the intended performance and longevity for your engine.