Pro Max High RPM Retro-Fit Hydraulic Roller Lifters
Designed to operate at rpm ranges over 7000 rpm. All new internal valving for increased rpm, torque and horsepower. The lifter body is fully machined for alloy steel bar stock. The nose wheel is machined from 8620. Material and case hardened for durability. Note: spring pressure requirements for these lifters are 200-225 lbs. seat pressure, 500-575 lbs. open pressure. Specific lash adjustments are also required. Recommended for race applications only. |