Description

Pro Magnum Hydraulic Lifter Set for AMC 290-401 and Chrysler 273-360/383-440Pro Magnum Hydraulic Flat Tappet Lifters. Specifications .904″ Diameter – 107g Weight – 1.84″ Seat Height. 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