The SB International VL115 Hydraulic Roller Lifters Set is designed for General Motors vehicles and includes a set of 4 lifters. These lifters are interchangeable with various part numbers from different manufacturers like AE CLEVITE, TOPLINE, GM, STANADYNE, and more. The lifters are specifically designed for the valvetrain components of engines, ensuring smooth and efficient operation. This product is ideal for those looking to replace or upgrade their existing lifters in their GM vehicle.