Cam Motion Johnson hydraulic roller lifter set for GM LS-Series and LT-Series engines. Short travel design with tie-bar style, 0.842in OD, made from precision-machined steel for durability. Reduces lifter pump-up at high RPM, improving valve control in high-performance racing applications. Ideal for street-strip or drag racing, offering enhanced reliability and performance. Set of 16 includes 8 pairs of lifters for one engine. Sold as a kit.