This comprehensive bearing kit is designed specifically for 4L60, 4L60-E, 4L65-E, and 4L70-E transmission systems. Part number SBK-G12 contains precision-engineered bearings that are essential components for maintaining optimal transmission performance and longevity. These heavy-duty bearings are manufactured to exact specifications to ensure proper fit and function in your transmission assembly. The kit includes multiple bearing components necessary for a complete transmission service or rebuild. Each bearing is crafted from high-grade materials to withstand the demanding conditions inside automatic transmissions, including high temperatures and constant friction. Perfect for professional mechanics and automotive repair shops handling transmission rebuilds, this bearing kit helps restore smooth operation and reliable performance to these popular GM transmission models. Always refer to your vehicle's service manual for proper installation procedures and torque specifications.