GT1R Crank Rod Bearing set is specifically engineered for high-performance Nissan GT-R R35 VR38DETT engine builds, ensuring precision fitment when integrating a GT1R Crankshaft with BBC Callies Connecting Rods. Designed for optimal load management and enhanced reliability in custom, high-output VR38 performance applications, this rod bearing kit is essential for professional engine builders seeking top-tier components.