The Performance Hydraulic Lifters are made from a billet body with a clipped axle and have 7,000 RPM capability. These lifters have .120" plunger travel and have an 80% fill rate with the test oil. These lifters have a .750" diameter roller wheel. Recommended Spring Pressures are 100-200 lbs Seat Pressure and 280-400 lbs Open Pressure.
