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Your cart is empty.This listing is for eight (8) Elgin valve lifters compatible with for 2005-16 GM family models using the 5.3L 6.0L or 6.2L V-8 engine with Active Fuel Management (AFM). P/N (4) HL-7011S + (4) HL-2148S. These AFM lifters are the 2nd Generation design. This is a half (1/2) set of valve lifters (enough for one bank) required for AFM V-8 engines (4-AFM; 4-non-AFM). Note: Need to order quantity of (2) for full engine set! AFM lifters fail due to a faulty VLOM (valley cover) - Updated VLOM# 12571609 from GM must be installed with new lifter to prevent future failures and warranty coverage.
Robert
Reviewed in the United States on November 23, 2024
Second set I have bought to replace crap Chevy uses in that awesome DOD system they have. Right bank replaced after cylinder 1 collapsed then roughly 1400 miles later cylinder 7 collapsed. Have these in for over 2k miles so far without issue.
Mohammad Alawad
Reviewed in the United States on June 8, 2023
Ok
M.O.B.I.L.E TECHNICIANS
Reviewed in the United States on November 2, 2022
I ordered this to replace failed AFM lifters I did a Partial delete so I do not know if they will perform under V4 mode but in a solitary condition they work just fine.
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