The Street Performance Hydraulic Lifters are made from a cold formed body with a clipped axle and have 6,500 RPM capability. These lifters have .120" plunger travel and have an 80% fill rate with the test oil. The lifter wheels in this series are .700" diameter. Recommended Spring Pressures are 100-180 lbs Seat Pressure and 280-380 lbs Open Pressure.
