Race Series Hydraulic Lifters (4052) by Feuling®. Race Series Oversized Dia. (0.843 - 0.8435) full travel hydraulic lifters are machined from a steel body and designed to exceed the needs of large lift camshafts and higher valve spring pressures with a slower bleed down rate. RACE SERIES® lifters maintain proper oil flow to the top end, increase engine RPM, valve-train stability, decreasing valve float promoting maximum valve lift. Feuling® recommends Race Series® lifters for engines running higher than 185 Lbs. valve spring seat pressure. FEULING recommends the use of a high volume oil pump which will result in quieter, better performing lifters. Race Series® lifters are compatible with either FEULING® HP+® or Race Series® oil pumps and are designed for use with both street and strip engines. Spin-Tron dyno developed and track proven.
Notes
This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME.
Precision ground needle roller bearing with high chromium steel axle for long life and minimal friction
Cold forged extra long piston, precision ground and fitted for controlled leak down and pump up
High flow disc style quick reacting check valve for better reaction at higher RPM
Recommended for both strip and performance street engines
Sold in sets of 4
Made in the U.S.A.
Precision engineered to excite you and perform
Made in compliance with standards for quality
Respected for unmatched reliability and strength
Feuling® Recommends Pumping Up Each Lifter by Hand Prior to Installation, to Remove All Air and Provide a Fully Pumped Up Lifter. Use of a Thin Weight Oil Like Atf in a Squirt Can Works Well.
Feuling® was known as a "skunk work" facility specializing in engine design and development working with and licensing technology to the major manufactures such as Ford™, General Motors™, Harley Davidson™, Chrysler™, Nissan™ and Edelbrock™.
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Feuling® 4052 - Race Series Hydraulic Lifters
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