One (1) brand new AFM DOD style roller valve lifter from Elgin Industries that is made in the USA and meets or exceeds OEM specifications. This lifter will Fit GM 4.3L 5.3L 6.0L & 6.2 LS Engines with AFM. Part Details: Part Number: HL7011S, Brand: Elgin Industries Type: Hydraulic Roller Lifter AFM DOD If your engine has AFM, it will have (8) of these type AFM lifters and (8) of a standard roller lifter. This is to replace one SAFM lifter. It fits the following LS Series engines