Brian Crower Jeep 4.0L/4.2L Inline 6 (AMC) Hydraulic Lifters - BC8480

HIGH PERFORMANCE HYDRAULIC LIFTERS -These BrianCrower hydraulic lifters from feature a patented, constant orifice-metering valve that precisely meters oil to the rocker arms. The pushrod seat is made of a special powdered metal iron alloy, heat-treated for strength and wear resistance. The longer piston is produced with through-hardened steel that provides more bearing surface and increased lifter longevity. These lifters have a lightweight check valve disk that allows for quicker response, resulting in increased engine speed before valve float.