COMP Cams Pro-Mag Hydr Lifters Olds 183 - 865-12

Pro Magnum Hydraulic Flat Lifter Set for Buick 181-252 V6.

These Pro Magnum hydraulic lifters are designed to perform at high RPM without any harmful pumping up. These lifters for Buick 181-252 V6 yield significant power increase over standard hydraulic lifters.

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: Buick V6 183-252 ('62+) Specifications .842" Diameter - 94g Weight - 2.01" Seat Height.

• Unique design yields significant power increase over standard hydraulic lifters
• Proper position of internal piston at higher RPM prevents lifters from harmful pumping up
• Adjustable valve train required
• Specifically designed to perform at higher engine speeds
• Unique design yields significant power increase over standard hydraulic lifters
• Proper position of internal piston at higher RPM prevents lifters from harmful pumping up
• Adjustable valve train required