COMP Cams Pro-Mag Hydr Lifters Chevy 90De

Pro Magnum Hydraulic Flat Tappet Lifters. Specifically designed to perform at higher engine speeds. Proper position of internal piston at higher RPM prevents lifters from harmful "pumping up". Unique design yields significant power increase over standard hydraulic lifters. Adjustable valve train required. Pre-load .002"-.004" with engine warm. Applications: Chevrolet, 6 Cylinder 194-292, 90deg These Pro Magnum hydraulic lifters are designed to perform at high RPM without any harmful pumping up. These lifters for Chevrolet 194-292/200-262 V6 yield significant power increase over standard hydraulic lifters.